Answer:

fact

Answer	Crossword Clue
FACT	Historicity
FACT	Much more than rumor
FACT	Fiction's opposite

FACT	Fiction alternative
FACT	Global warming, e.g.
FACT	It's fancy-free?
FACT	Datum
FACT	Almanac tidbit
FACT	"Is that a ...?"
FACT	"Matters of .. ... are very stubborn things": Tindal
FACT	Ain't it the truth

FACT	Almanac bit
FACT	One of Twain's "stubborn things"
FACT	True story component
FACT	Bit of truth
FACT	It's not fiction
FACT	Checker's determination
FACT	Myth debunker
FACT	Trivia buff's fodder

FACT	Trivia champ's tidbit
FACT	It's true
FACT	Verified datum
FACT	After the ...
FACT	Cold hard thing?
FACT	Piece of accurate information
FACT	Almanac entry
FACT	Sure thing

FACT	Truth
FACT	Almanac statement
FACT	Reporter's find
FACT	It's the truth
FACT	"That's the ..., Jack!"
FACT	Almanac excerpt
FACT	Nonfiction
FACT	Theory, after being proven

FACT	Word with finding or checker
FACT	One true thing
FACT	Subject of some checkers
FACT	Reality
FACT	Truism