accustomed

adjective

1. customary; usual; habitual: in their accustomed manner.
2. habituated; acclimated (usually followed by to): accustomed to staying up late; accustomed to the noise of the subway.

verb (used with object)

1. to familiarize by custom or use; habituate: to accustom oneself to cold weather.

adjective

1. usual; customary
2. (postpositive foll by to) used or inured (to)
3. (postpositive foll by to) in the habit (of)accustomed to walking after meals

verb

1. (tr usually foll by to) to make (oneself) familiar (with) or used (to), as by practice, habit, or experience

adj.

late 15c., “made customary, habitual,” past participle adjective from accustom (v.).

v.

early 15c., from Old French acostumer (12c., Modern French accoutumer), from à “to” (see ad-) + costume (see costume (n.)). Related: Accustomed; accustoming.