ha·bit·u·ate 
(hə-bĭch-āt′)
(hə-bĭch-āt′)v. ha·bit·u·at·ed, ha·bit·u·at·ing, ha·bit·u·ates
v.tr.
To accustom by frequent repetition or prolonged exposure.
v.intr.
1. To cause physiological or psychological habituation, as to a drug.
2. Psychology To experience habituation.
[From Middle English, accustomed, from Late Latin habituātus, past participle of habituārī, to be in a condition, from Latin habitus, condition, habit; see HABIT.]