List of used to synonyms and used to related words.
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