Synonyms and related words :
acclimate, acclimatize, accommodate, accustom, adapt, adjust, break, break in, brutalize, callous, case harden, condition, confirm, discipline, domesticate, domesticize, establish, familiarize, fix, gentle, habituate, harden, housebreak, indurate, naturalize, orient, orientate, ossify, season, steel, tame, train, use, wont