matter of fact (Adjective) — Not fanciful or imaginative. ex. "local guides describe the history of various places in matter-of-fact tones"
matter of fact (Adjective) — Concerned with practical matters. ex. "a matter-of-fact approach to the problem"
matter of fact (Noun) — A disputed factual contention that is generally left for a jury to decide.
matter of fact (Noun) — A matter that is an actual fact or is demonstrable as a fact.