[1] : The Collaborative International Dictionary of English v.0.48

naturalize \nat"uralize\, v. i.
   1. to become as if native.
      1913 webster

   2. to explain phenomena by natural agencies or laws, to the
      exclusion of the supernatural.
      1913 webster

            infected by this naturalizing tendency. --h.
                                                  bushnell.
      1913 webster

[2] : The Collaborative International Dictionary of English v.0.48

naturalize \nat"uralize\ ?; 135, v. t. imp.  p. p.
   naturalized; p. pr.  vb. n. naturalizing. cf. f.
   naturaliser. see natural.
   1. to make natural; as, custom naturalizes labor or study.
      1913 webster

   2. to confer the rights and privileges of a native subject or
      citizen on; to make as if native; to adopt, as a foreigner
      into a nation or state, and place in the condition of a
      native subject.
      1913 webster

   3. to receive or adopt as native, natural, or vernacular; to
      make one's own; as, to naturalize foreign words.
      1913 webster

   4. to adapt; to accustom; to habituate; to acclimate; to
      cause to grow as under natural conditions.
      1913 webster

            its wearer suggested that pears and peaches might
            yet be naturalized in the new england climate.
                                                  --hawthorne.
      1913 webster
see also:
naturalized naturalizing natural 

[3] : WordNet (r) 2.0

naturalize
     v 1: make into a citizen; "the french family was naturalized last
          year" syn: naturalise ant: denaturalize
     2: explain with reference to nature
     3: adopt to another place; "the stories had become naturalized
        into an american setting" syn: naturalise
     4: make more natural or lifelike syn: naturalise ant: denaturalize
     5: adapt a wild plant or unclaimed land to the environment;
        "domesticate oats"; "tame the soil" syn: domesticate, cultivate,
         naturalise, tame
see also:
naturalise denaturalize domesticate cultivate tame 

[4] : Moby Thesaurus II by Grady Ward, 1.0

58 moby thesaurus words for "naturalize":
   americanize, anglicize, acclimate, acclimatize, accommodate,
   acculturate, acculturize, accustom, adapt, adjust, admit, adopt,
   affiliate, assimilate, assimilate to, become, break, break in,
   bring to, case harden, change, change into, change over, condition,
   confer citizenship, confirm, convert, do over, domesticate,
   domesticize, establish, familiarize, fix, gentle, go native,
   habituate, harden, housebreak, inure, make, make over, orient,
   orientate, reconvert, reduce to, render, resolve into, reverse,
   season, shift, switch, switch over, tame, train, transform,
   turn back, turn into, wont

Naturalize >> N Words
Naturalize, definition of term: Naturalize
naturalize_pag1.html