FAMILIAR
—adjective. 1 a (often foll. By to) well known. B often met (with). 2 (foll. By with) knowing a thing well. 3 (often foll. By with) well acquainted (with a person). 4 informal, esp. Presumptuously so. —none. 1 close friend. 2 (in full familiar spirit) supposed attendant of a witch etc. ? familiarity none. Familiarly adverb. [latin: related to *family]