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certify

[ sur-tuh-fahy ]
/ ˈsɜr təˌfaɪ /
||
SEE MORE SYNONYMS FOR certify ON THESAURUS.COM

verb (used with object), cer·ti·fied, cer·ti·fy·ing.

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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Nearby words

certified mail, certified milk, certified pasteurized milk, certified professional secretary, certified public accountant, certify, certiorari, certitude, certosina, cerulean, cerulean blue

Origin of certify

1300–50; Middle English certifien < Middle French certifier < Late Latin certificāre, equivalent to Latin certi- (combining form of certus decided; see certain) + -ficāre -fy
SYNONYMS FOR certify
Related formscer·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. 2019

Examples from the Web for certify

British Dictionary definitions for certify

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 Formscertifier, 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

Word Origin and History for certify

certify


v.

mid-14c., "to declare the truth of," also "to vouch for or confirm" (an official record, etc.), from Old French certefiier "make certain, witness the truth of" (12c.), from Late Latin certificare "to certify, to make certain," from Latin certus (see certain) + root of facere "to make, do" (see factitious). Also used in Middle English in broader senses of "inform, give notice; instruct, to direct; to designate." Related: Certified; certifying. Certified public accountant attested from 1896.

Online Etymology Dictionary, © 2010 Douglas Harper