Meaning

verb confirm the truth of

verb check or regulate (a scientific experiment) by conducting a parallel experiment or comparing with another standard

verb attach or append a legal verification to (a pleading or petition)

originFrom Old French verifier (French: vérifier), from Medieval Latin vērificāre (“make true”), from Latin vērus (“true”) + faciō (“do, make”); see -fy.

Etymology from Wiktionary, CC BY-SA 3.0