Certify Definition

sûrtə-fī
certified, certifies, certifying
verb
certified, certifies, certifying
To declare (a thing) true, accurate, certain, etc. by formal statement, often in writing; verify; attest.
Webster's New World
To testify (to)
Webster's New World
To guarantee as meeting a standard.
Butter that was certified Grade A.
American Heritage
To guarantee the quality or worth of (a check, document, etc.); vouch for.
Webster's New World
To acknowledge in writing on the face of (a check) that the signature of the maker is genuine and that there are sufficient funds on deposit for its payment.
American Heritage

Origin of Certify

  • Middle English certifien from Old French certifier from Late Latin certificāre Latin certus certain certain Latin -ficāre -fy

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Old French certefier (“confirm, assure, make certain”). Compare French certifier.

    From Wiktionary

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