2 fa·mil·iar adjective \fə-ˈmil-yər\
Definition of FAMILIAR
1 : closely acquainted : intimate <a familiar family friend>
2 : obsolete : affable, sociable
3a : of or relating to a family <remembering past familiar celebrations> (see 1 family)
3b : frequented by families <a familiar resort>
4a : being free and easy <the familiar association of old friends>
4b : marked by informality <a familiar essay>
4c : overly free and unrestrained : presumptuous <grossly familiar behavior>
4d : moderately tame <familiar animals>
5a : frequently seen or experienced : easily recognized <a familiar theme>
5b : of everyday occurrence <a familiar routine>
5c : possibly known but imperfectly remembered <her face looked familiar>
6 : having personal or intimate knowledge —used with with <familiar with the facts of the case>
First Known Use of FAMILIAR:
13th century