Source : Webster's Revised Unabridged Dictionary (1913)

Domesticate \Do*mes"ti*cate\, v. t. [imp. & p. p.
   {Domesticated}; p. pr. & vb. n. {Domesticating.}] [LL.
   domesticatus, p. p. of domesticare to reside in, to tame. See
   {Domestic}, a.]
   1. To make domestic; to habituate to home life; as, to
      domesticate one's self.

   2. To cause to be, as it were, of one's family or country;
      as, to domesticate a foreign custom or word.

   3. To tame or reclaim from a wild state; as, to domesticate
      wild animals; to domesticate a plant.

Source : WordNet®

domesticate
     v 1: adapt (a wild plant or unclaimed land) to the environment;
          "domesticate oats"; "tame the soil" [syn: {cultivate}, {naturalize},
           {naturalise}, {tame}]
     2: overcome the wildness of; make docile and tractable; "He
        tames lions for the circus"; "reclaim falcons" [syn: {domesticize},
         {domesticise}, {reclaim}, {tame}]
     3: make fit for cultivation, domestic life, and service to
        humans; "The horse was domesticated a long time ago"; "The
        wolf was tamed and evolved into the house dog" [syn: {tame}]