WordNet (r) 3.0 (2006):

used to
    adj 1: in the habit; "I am used to hitchhiking"; "you'll get
           used to the idea"; "...was wont to complain that this is
           a cold world"- Henry David Thoreau [syn: used to(p),
           wont to(p)]

Moby Thesaurus II by Grady Ward, 1.0:

36 Moby Thesaurus words for "used to":
   acclimated, acclimatized, accommodated, accustomed, adapted,
   addicted, addicted to, adjusted, at home in, at home with,
   case-hardened, conditioned, conversant with, dependent,
   dependent on, experienced, familiar with, familiarized, habituated,
   habitue, hardened, hooked, hooked on, in a rut, inured,
   naturalized, never free from, no stranger to, orientated, oriented,
   run-in, seasoned, spaced out, trained, wont, wonted