Source : Webster's Revised Unabridged Dictionary (1913)

Integrate \In"te*grate\, v. t. [imp. & p. p. {Integrated}; p.
   pr. & vb. n. {Integrating}.] [L. integratus, p. p. of
   integrare to make whole, renew: cf. F. int['e]grer. See
   {Integer}, {Entire}.]
   1. To form into one whole; to make entire; to complete; to
      renew; to restore; to perfect. ``That conquest rounded and
      integrated the glorious empire.'' --De Quincey.

            Two distinct substances, the soul and body, go to
            compound and integrate the man.       --South.

   2. To indicate the whole of; to give the sum or total of; as,
      an integrating anemometer, one that indicates or registers
      the entire action of the wind in a given time.

   3. (Math.) To subject to the operation of integration; to
      find the integral of.

Source : WordNet®

integrate
     v 1: make into a whole or make part of a whole; "She incorporated
          his suggestions into her proposal" [syn: {incorporate}]
          [ant: {disintegrate}]
     2: open (a place) to members of all races and ethnic groups;
        "This school is completely desegregated" [syn: {desegregate},
         {mix}] [ant: {segregate}]
     3: become one; become integrated; "The students at this school
        integrate immediately, despite their different
        backgrounds"
     4: calculate the integral of; calculate by integration [ant: {differentiate}]