certify
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.
to give assurance; testify; vouch for the validity of something (usually followed by to).
Origin of certify
1Other words for certify
Other words from certify
- cer·ti·fi·er, noun
- pre·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. 2024
How to use certify in a sentence
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) /
to confirm or attest (to), usually in writing: the letter certified her age
(tr) to endorse or guarantee (that certain required standards have been met)
to give reliable information or assurances: he 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
Origin of certify
1Derived forms of certify
- certifier, noun
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
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