[ sur-tuh-fahy ]
/ ˈsɜr təˌfaɪ /
verb (used with object), cer·ti·fied, cer·ti·fy·ing.
to attest as certain; give reliable information of; confirm: He certified the truth of his claim.
to testify to or vouch for in writing: The medical examiner will certify his findings to the court.
to guarantee; endorse reliably: to certify a document with an official seal.
to guarantee (a check) by writing on its face that the account against which it is drawn has sufficient funds to pay it.
to award a certificate to (a person) attesting to the completion of a course of study or the passing of a qualifying examination.
to declare legally insane and committable to a mental institution.
Archaic. to assure or inform with certainty.
verb (used without object), cer·ti·fied, cer·ti·fy·ing.
to give assurance; testify; vouch for the validity of something (usually followed by to).
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Origin of certify
OTHER WORDS FROM certifycer·ti·fi·er, nounpre·cer·ti·fy, verb (used with object), pre·cer·ti·fied, pre·cer·ti·fy·ing.re·cer·ti·fy, verb (used with object), re·cer·ti·fied, re·cer·ti·fy·ing.un·cer·ti·fy·ing, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
Example sentences from the Web for certify
So the Grand Old Men of the various fields decided that already certified specialists should recertify once a decade.
British Dictionary definitions for certify
/ (ˈsɜːtɪˌfaɪ) /
verb -fies, -fying or -fied
to confirm or attest (to), usually in writingthe letter certified her age
(tr) to endorse or guarantee (that certain required standards have been met)
to give reliable information or assuranceshe certified that it was Walter's handwriting
(tr) to declare legally insane
(tr) US and Canadian (of a bank) to state in writing on (a cheque) that payment is guaranteed
Derived forms of certifycertifier, noun
Word Origin for certify
C14: from Old French certifier, from Medieval Latin certificāre to make certain, from Latin certus certain + facere to make
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012