empirical
She provides a practical, empirically sound theory for how to make good decisions in fast-paced environments.
It is a metaphysical question that cannot be empirically answered.
He refuses to believe in a divinity until it can be empirically proven.
The study included an empirically based survey of senior managers.

SMART Vocabulary: related words and phrases

True, real, false, and unreal
actual
actuality
actually
all that glitters is not goldidiom
alternate reality
false flag
falsely
fantastical
fever dream
fictional
not so muchidiom
nothing could be further from the truthidiom
nothing could have been further from my mind/thoughtsidiom
parallel universe
post-factual
unreal
untrue
untruly
unverifiable
urban myth