What word means commonly accepted fact?

Answer 1

may be one of these; axiom;

1 : a maxim widely accepted on its intrinsic merit

2 : a statement accepted as true as the basis for argument or inference

3 : an established rule or principle or a self-evident truth factoid:

1 : an item of unreliable information that is repeated so often that it becomes accepted as fact

2 : a brief or trivial item of information. putative;

1 : commonly accepted or supposed

2 : assumed to exist or to have existed truth;

1: the quality or state of being true.

2 : (also the truth) that which is true as opposed to false.

3 : a fact or belief that is accepted as true.