Dictionary definition · fact
noun
- a piece of information about circumstances that exist or events that have occurred"first you must collect all the facts of the case"
- a statement or assertion of verified information about something that is the case or has happened"he supported his argument with an impressive array of facts"
- an event known to have happened or something known to have existed"your fears have no basis in fact"
- a concept whose truth can be proved"scientific hypotheses are not facts"
Source: Open English WordNet (CC BY 4.0).