FAMILIARIZED

adjusted, familiarized, familiarised

(adjective) having achieved a comfortable relation with your environment

Source: WordNet® 3.1

Verb

familiarized

simple past tense and past participle of familiarize

Source: Wiktionary

FAMILIARIZE

Fa*mil"iar*ize, v. t. [imp. & p. p. Familiarized; p. pr. & vb. n. Familiarizing.] Etym: [Cf. F. familiariser.]

1. To make familiar or intimate; to habituate; to accustom; to make well known by practice or converse; as, to familiarize one's self with scenes of distress.

2. To make acquainted, or skilled, by practice or study; as, to familiarize one's self with a business, a book, or a science.

Source: Webster’s Unabridged Dictionary 1913 Edition