Definition of

Fact

  1. (noun, cognition) a piece of information about circumstances that exist or events that have occurred
  2. (noun, cognition) a concept whose truth can be proved
  3. (noun, communication) a statement or assertion of verified information about something that is the case or has happened
  4. (noun, state) an event known to have happened or something known to have existed
    how much of the story is fact and how much fiction is hard to tell

via WordNet, Princeton University

Origin of the word Fact

  1. 1530s, "action," especially "evil deed," from L. factum "event, occurrence," lit. "thing done," from neut. pp. of facere "to do" (see factitious). Usual modern sense of "thing known to be true" appeared 1630s, from notion of "something that has actually occurred." Facts of life "harsh realities" is from 1854; specific sense of "human sexual functions" first… more

via Online Etymology Dictionary, ©2001 Douglas Harper

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