matter of fact
Originated in the 19th century by natural philosophers of the Royal Society in London
- a fact
- (idiomatic) a more factual correction
- (idiomatic) something completely true
- As a matter of fact, the car is midnight blue.
- (law) Something that is to be tried or proved; an allegation forming the basis of a claim or defense.
- Black's Law Dictionary 10th Edition (2014)