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"
"how much of the story is fact and how much fiction is hard to tell"
Something actual as opposed to invented.
"The detective realized that his theory was just a story until he found hard evidence proving it was fact."
In plain English: A fact is something that is true and can be proven to be real.
"The fact that he forgot his keys caused him to miss the bus."
Usage: Use "fact" to describe something that actually exists or happened in reality, rather than being imagined or fabricated. It refers strictly to verifiable truths, not opinions or guesses.
Used before making a statement to introduce it as a trustworthy one.
"As a matter of fact, I already finished the report before you even asked."
Initialism of Federation Against Copyright Theft.
"The security alert flagged my account because someone used a cracked version of fact software to bypass the DRM on the digital files I purchased."
The word "fact" comes from the Latin factum, meaning "an act or deed," which was borrowed into English via Old French. It is ultimately derived from a root meaning "to put, place, or set."