verify verify /ˈvɛrəˌfaɪ/

verb

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