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Definition of certify:

  1. To give certain information of; to make certain, as a fact; to verify.
  2. To give cetain information to; to assure; to make certain.
  3. To testify to in writing; to make a declaration concerning, in writing, under hand, or hand and seal.


bear witness, indorse, grant, shew, concede, avow, plunk for, obligation, show, recognize, tell, swear, disclose, present, confess, march, licence, second, evidence, demo, demonstrate, allow, take the stand, endorse, manifest, guaranty, accredit, back, attest, license, own, plump for.

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