The Collaborative International Dictionary of English v.0.48:

Verification \Ver`i*fi*ca"tion\, n. [Cf. F. v['e]rification.]
   1. The act of verifying, or the state of being verified;
      confirmation; authentication.
      [1913 Webster]

   2. (Law)
      (a) Confirmation by evidence.
      (b) A formal phrase used in concluding a plea.
          [1913 Webster]

   Verification of an equation (Math.), the operation of
      testing the equation of a problem, to see whether it
      expresses truly the conditions of the problem. --Davies &
      Peck. (Math. Dict.)
      [1913 Webster]

WordNet (r) 3.0 (2006):

verification
    n 1: additional proof that something that was believed (some
         fact or hypothesis or theory) is correct; "fossils provided
         further confirmation of the evolutionary theory" [syn:
         confirmation, verification, check, substantiation]
    2: (law) an affidavit attached to a statement confirming the
       truth of that statement

The Free On-line Dictionary of Computing (19 January 2023):

verification

   The process of determining whether or not the products of a
   given phase in the life-cycle fulfil a set of established
   requirements.