a posteriori
adjective
°Involving deduction of theories from facts.
"1988, What Locke calls "knowledge" they have called "a priori knowledge"; what he calls "opinion" or "belief" they have called "a posteriori" or "empirical knowledge". — The empiricists, Woolhouse, R. S., Oxford University Press."
verb
°In a manner that deduces theories from facts.
synonyms: empirical