A theory, claim, or statement
assumed to be true due to popular agreement. Said claim can be either
backed up by facts or "reliable"
anecdotes.
This is a portmanteau of "fact" and "reality".
Even though we all know
2 + 2 = 5, the class decided, that in
factuality, it equals 4. They are such Sheep.
"God exists" is a factuality.
String theory is not a factuality, because not enough people take it for granted.