MATTER OF FACT

{n. phr.} Something that is really true; something that can be proved. * /The town records showed that it was a matter of fact that the two boys were brothers./ * /It is a matter of fact that the American war against England was successful./ - Often used for emphasis in the phrase "as a matter of fact". * /I didn't go yesterday, and as a matter of fact, f didn't go all week./ * /Mary wasn't wearing a blue dress. As a matter of fact, she hasn't got a blue dress./ Compare: FOR THAT MATTER, IN FACT. Contrast: MATTER OF OPINION.