Source : Webster's Revised Unabridged Dictionary (1913)

Habituate \Ha*bit"u*ate\, a.
   Firmly established by custom; formed by habit; habitual. [R.]
   --Hammond.

Habituate \Ha*bit"u*ate\, v. t. [imp. & p. p. {Habituated}; p.
   pr. & vb. n. {Habituating}.] [L. habituatus, p. p. of
   habituare to bring into a condition or habit of body: cf. F.
   habituer. See {Habit}.]
   1. To make accustomed; to accustom; to familiarize.

            Our English dogs, who were habituated to a colder
            clime.                                --Sir K.
                                                  Digby.

            Men are first corrupted . . . and next they
            habituate themselves to their vicious practices.
                                                  --Tillotson.

   2. To settle as an inhabitant. [Obs.] --Sir W. Temple.

Source : WordNet®

habituate
     v 1: take or consume (regularly or habitually); "She uses drugs
          rarely" [syn: {use}]
     2: make psychologically or physically used (to something); "She
        became habituated to the background music" [syn: {accustom}]