SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549


                                  SCHEDULE 13D
                                 (RULE 13d-101)


          INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO
                                  RULE 13D-1(A)
            AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13D-2(A)
                               (AMENDMENT NO. 4)

                                  Engage, Inc.
          -------------------------------------------------------------
                                (Name of Issuer)

                     Common Stock, par value $.01 per share
          -------------------------------------------------------------
                         (Title of Class of Securities)

                                    292827102
                       ----------------------------------
                                 (CUSIP Number)

    William Williams, II, General Counsel, CMGI, Inc., 100 Brickstone Square,
                   Andover, Massachusetts, 01810 978-684-3600
          -------------------------------------------------------------
       (Name, Address and Telephone Number of Person Authorized to Receive
                           Notices and Communications)

                                December 31, 2000
          -------------------------------------------------------------
             (Date of Event which Requires Filing of this Statement)

      If the filing person has previously filed a statement on Schedule 13G to
report the acquisition which is the subject of this Schedule 13D, and is filing
this schedule because of Rule 13d-1(b)(3) or (4), check the following box [_].


Note: Schedules filed in paper format shall include a signed original and five
      copies of the schedule including all exhibits. See Rule 13d-7(b) for other
      parties to whom copies are to be sent.

      The remainder of this cover page shall be filled out for a reporting
person's initial filing on this form with respect to the subject class of
securities, and for any subsequent amendment containing information which would
alter disclosures provided in a prior cover page.

      The information required on the remainder of this cover page shall not be
deemed to be "filed" for the purpose of Section 18 of the Securities Exchange
Act of 1934 ("Act") or otherwise subject to the liabilities of that section of
the Act but shall be subject to all other provisions of the Act (however, see
the Notes).

                         (Continued on following pages)
                               (Page 1 of 6 Pages)



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  CUSIP No. 292827102                 13D                  Page 2 of 6 Pages
- -----------------------                                  ---------------------

- ------------------------------------------------------------------------------
 1    NAME OF REPORTING PERSON
      S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

      CMGI, Inc.
      04-2921333

- ------------------------------------------------------------------------------
 2    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                (a) / /
      N/A                                                       (b) / /

- ------------------------------------------------------------------------------
 3    SEC USE ONLY


- ------------------------------------------------------------------------------
 4    SOURCE OF FUNDS*

      OO
- ------------------------------------------------------------------------------
 5    CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
      PURSUANT TO ITEMS 2(d) or 2(e)                                / /

      N/A
- ------------------------------------------------------------------------------
 6    CITIZENSHIP OR PLACE OF ORGANIZATION

      State of Delaware
- ------------------------------------------------------------------------------
                     7    SOLE VOTING POWER

     NUMBER OF            151,873,081

      SHARES       -----------------------------------------------------------
                          SHARED VOTING POWER
   BENEFICIALLY      8
                          0
     OWNED BY
                   -----------------------------------------------------------
       EACH          9    SOLE DISPOSITIVE POWER

    REPORTING             151,873,081

      PERSON       -----------------------------------------------------------
                    10    SHARED DISPOSITIVE POWER
       WITH
                          0
- ------------------------------------------------------------------------------
11    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

      151,873,081

- ------------------------------------------------------------------------------
12    CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*
                                                                    / /

- ------------------------------------------------------------------------------
13    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

      77.11%
- ------------------------------------------------------------------------------
14    TYPE OF REPORTING PERSON*

      CO
- ------------------------------------------------------------------------------

                     *SEE INSTRUCTIONS BEFORE FILLING OUT!



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  CUSIP No. 292827102                 13D                  Page 3 of 6 Pages
- -----------------------                                  ---------------------


      Neither the filing of this Schedule 13D nor any of its contents shall be
deemed to constitute an admission by CMGI, Inc., a Delaware corporation
("CMGI"), that it is the beneficial owner of any of the Common Stock referred to
herein for purposes of Section 13(d) of the Securities Exchange Act of 1934, as
amended (the "Act"), or for any other purpose, and such beneficial ownership is
expressly disclaimed.

Item 1. SECURITY AND ISSUER.
        -------------------

        This statement on Schedule 13D relates to the Common Stock, $0.01 par
value per share (the "Engage Common Stock") of Engage, Inc., a Delaware
corporation ("Engage" or "Issuer"). The prinicpal executive offices of Engage
are located at 100 Brickstone Square, Andover, MA 01810.

Item 2.  IDENTITY AND BACKGROUND.
         -----------------------

     The name of the corporation filing this statement is CMGI, Inc. CMGI,
Inc.'s principal business is developing and operating Internet and direct
marketing companies and funding synergistic Internet companies through its
affiliated venture funds. The address of the principal executive offices of CMGI
is 100 Brickstone Square, Andover, Massachusetts 01810. To the best knowledge of
CMGI, Inc., set forth on Schedule A, which is incorporated herein by reference,
is the

     - name, residence or business address

     - present principal occupation or employment and the name, principal
       business and address of any corporation or other organization in which
       such employment is conducted

     - shares of Engage Common Stock beneficially owned, and

     - citizenship

of each of CMGI's directors and executive officers, as of the date hereof.
Neither CMGI nor, to the best of CMGI's knowledge, any person named on Schedule
A hereto is required to disclose legal proceedings pursuant to Items 2(d) or
2(e).

Item 3.  SOURCE AND AMOUNT OF FUNDS OR OTHER CONSIDERATION.
         -------------------------------------------------

     On December 29, 2000, CMGI, Inc. disposed of an aggregate of 466,189
shares of Engage Common Stock. These shares were initially issued by Engage,
Inc. to CMGI, Inc. under the Agreement and Plan of Merger and Contribution (the
"Merger Agreement"), dated as of January 19, 2000, by and among Engage, Inc.,
CMGI, Inc., AdSmart Corporation, Flycast Communications Corporation and FCET
Corp. In accordance with the Merger Agreement, CMGI, Inc. was required to return
these shares to Engage, Inc. if certain conditions to the issuance of the shares
were not met.

Item 4.  PURPOSE OF THE TRANSACTION.
         --------------------------

     On December 29, 2000, CMGI, Inc. disposed of an aggregate of 466,189
shares of Engage Common Stock. These shares were initially issued by Engage,
Inc. to CMGI, Inc. under the Agreement and Plan of Merger and Contribution (the
"Merger Agreement"), dated as of January 19, 2000, by and among Engage, Inc.,
CMGI, Inc., AdSmart Corporation, Flycast Communications Corporation and FCET
Corp. In accordance with the Merger Agreement, CMGI, Inc. was required to return
466,189 shares to Engage, Inc. if certain conditions to the issuance of the
shares were not met.



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  CUSIP No. 292827102                 13D                  Page 4 of 6 Pages
- -----------------------                                  ---------------------


Item 5.  INTEREST IN SECURITIES OF THE ISSUER.
         ------------------------------------

     (a)-(b) CMGI, Inc. owns 151,873,081 shares of Engage, Inc., representing
77.11% of Engage, Inc.'s outstanding common stock as of December 31, 2000. CMGI,
Inc. has sole power to vote or direct the vote and dispose or direct the
disposition as to all such shares. CMGI, Inc. does not have shared power to vote
or direct the votes or shared power to dispose or direct the disposition as to
any shares.

     (c) On December 29, 2000, CMGI, Inc. disposed of an aggregate of 466,189
shares of Engage Common Stock. These shares were initially issued by Engage,
Inc. to CMGI, Inc. under the Agreement and Plan of Merger and Contribution (the
"Merger Agreement"), dated as of January 19, 2000, by and among Engage, Inc.,
CMGI, Inc., AdSmart Corporation, Flycast Communications Corporation and FCET
Corp. In accordance with the Merger Agreement, CMGI, Inc. was required to return
466,189 shares to Engage, Inc. if certain conditions to the issuance of the
shares were not met.

     (d)-(e)  Not applicable.

Item 6.  CONTRACTS, ARRANGEMENTS, UNDERSTANDINGS OR RELATIONSHIPS WITH RESPECT
         ---------------------------------------------------------------------
         TO SECURITIES OF THE ISSUER.
         ---------------------------

     Other than the Merger Agreement (defined above), the Purchase Agreement and
the Investor Rights Agreement, Amendment No. 1, dated as of June 22, 2000, by
and among CMGI, Engage and certain other investors, to the best knowledge of
CMGI, there are no contracts, arrangements, understandings or relationships
(legal or otherwise) among the persons or entities listed in Item 2 and between
such persons or entities and any person or entity with respect to any securities
of Engage, including but not limited to transfer of voting of any of the
securities, finder's fees, joint ventures, loan or option arrangements, puts or
calls, guarantees of profits, division of profits or loss, or the giving or
withholding of proxies.

Item 7.  MATERIAL TO BE FILED AS EXHIBITS.
         --------------------------------

     Not applicable.



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  CUSIP No. 292827102                 13D                  Page 5 of 6 Pages
- -----------------------                                  ---------------------


                                    SIGNATURE

     After reasonable inquiry and to the best of my knowledge and belief, I
hereby certify that the information set forth in this statement is true,
complete and correct.

DATED:  February 14, 2001

                                        CMGI, INC.

                                        By:    /s/ Andrew J. Hajducky III
                                               --------------------------
                                               Andrew J. Hajducky III

                                        Title: Executive Vice President,
                                               Chief Financial Officer
                                               and Treasurer



- -----------------------                                  ---------------------
  CUSIP No. 292827102                 13D                  Page 6 of 6 Pages
- -----------------------                                  ---------------------


                                   Schedule A

SHARES OF ENGAGE COMMON STOCK NAME BUSINESS ADDRESS BENEFICIALLY OWNED - --------------------------------------------------------------------------------------------------- EXECUTIVE OFFICERS OF CMGI - --------------------------------------------------------------------------------------------------- David S. Wetherell 100 Brickstone Square 46,000 Chairman of the Board, President, Chief Andover, MA 01810 Executive Officer and Secretary - --------------------------------------------------------------------------------------------------- Andrew J. Hajducky III 100 Brickstone Square 0 Executive Vice President, Chief Financial Andover, MA 01810 Officer and Treasurer - --------------------------------------------------------------------------------------------------- David Andonian 100 Brickstone Square 0 President, Corporate Development Andover, MA 01810 - --------------------------------------------------------------------------------------------------- Joel B. Rosen 100 Brickstone Square 0 Chief Executive Officer, NaviSite, Inc. Andover, MA 01810 (a subsidiary of CMGI) - --------------------------------------------------------------------------------------------------- Anthony Nuzzo 100 Brickstone Square 0 President, Chief Executive Officer, Engage, Andover, MA 01810 Inc. (a subsidiary of CMGI) - --------------------------------------------------------------------------------------------------- Gregory Jones 100 Brickstone Square 0 President and Chief Executive Officer, Andover, MA 01810 uBid, Inc. (a subsidiary of CMGI) - --------------------------------------------------------------------------------------------------- Richard F. Torre 100 Brickstone Square 0 President, Chief Executive Officer, Andover, MA 01810 SalesLink Corporation (a subsidiary of CMGI) - --------------------------------------------------------------------------------------------------- DIRECTORS OF CMGI (PRESENT PRINCIPAL OCCUPATION) - --------------------------------------------------------------------------------------------------- William H. Berkman The Associated Group 0 (Principal, The Associated Group) 650 Madison Avenue New York, NY 10022 - --------------------------------------------------------------------------------------------------- Avram Miller The Avram Miller Company 0 (Chief Executive Officer, The Avram Miller 50 California Street Company) San Francisco, CA 94111 - --------------------------------------------------------------------------------------------------- Robert J. Ranalli 2923 Indigo Bush Way 20,000 Naples, FL 34105 - --------------------------------------------------------------------------------------------------- Harold F. Enright Jr. Compaq Computer Corporation 0 MS 110605 20555 State Highway 249 Houston, TX 77070 - --------------------------------------------------------------------------------------------------- David S. Wetherell See Above See Above - ---------------------------------------------------------------------------------------------------
* Unless otherwise indicated, each person exercises sole voting and dispositive power over shares of Engage Common Stock beneficially owned by such person. Citizenship of the above named persons: USA