Meaning of verify

Definition of verify

(verb) confirm the truth of; "Please verify that the doors are closed"; "verify a claim"
check or regulate (a scientific experiment) by conducting a parallel experiment or comparing with another standard; "Are you controlling for the temperature?"
attach or append a legal verification to (a pleading or petition)
to declare or affirm solemnly and formally as true; "Before God I swear I am innocent"

Other information on verify

WIKIPEDIA results for verify
Amazon results for verify