#1 verify v. confirm the truth of; "Please verify that the doors are closed"; "verify a claim". wn
#2 verify v. [control] check or regulate (a scientific experiment) by conducting a parallel experiment or comparing with another standard; "Are you controlling for the temperature?". wn
#3 verify v. attach or append a legal verification to (a pleading or petition). wn
#4 verify v. [affirm, assert, avow, aver, swan, swear] to declare or affirm solemnly and formally as true; "Before God I swear I am innocent". wn
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