within normal everyday experience; common and ordinary; not strange; "familiar ordinary objects found in every home"; "a familiar everyday scene"; "a familiar excuse"; "a day like any other filled with familiar duties and experiences"
(usually followed by `with') well informed about or knowing thoroughly; "conversant with business trends"; "familiar with the complex machinery"; "he was familiar with those roads"
having mutual interests or affections; of established friendship; "on familiar terms"; "pretending she is on an intimate footing with those she slanders"