the quality of being actual <like other scientists, astronomers deal in the realm of fact, not speculation>
something that actually exists <once considered a wild fantasy, the Internet is now a fact of everyday life>
a single piece of information <a book of little-known facts about famous people> Related Words article
facts pl a collection of factual knowledge about something <after reading the facts on the situation, the president concluded that an outbreak of hostilities was all but certain>
Seen & Heard
What made you want to look up fact? Please tell us where you read or heard it (including the quote, if possible).