certify to

certify

[sur-tuh-fahy]
verb (used with object), certified, certifying.
1.
to attest as certain; give reliable information of; confirm: He certified the truth of his claim.
2.
to testify to or vouch for in writing: The medical examiner will certify his findings to the court.
3.
to guarantee; endorse reliably: to certify a document with an official seal.
4.
to guarantee (a check) by writing on its face that the account against which it is drawn has sufficient funds to pay it.
5.
to award a certificate to (a person) attesting to the completion of a course of study or the passing of a qualifying examination.
6.
to declare legally insane and committable to a mental institution.
7.
Archaic. to assure or inform with certainty.
verb (used without object), certified, certifying.
8.
to give assurance; testify; vouch for the validity of something (usually followed by to ).

Origin:
1300–50; Middle English certifien < Middle French certifier < Late Latin certificāre, equivalent to Latin certi- (combining form of certus decided; see certain) + -ficāre -fy

certifier, noun
precertify, verb (used with object), precertified, precertifying.
recertify, verb (used with object), recertified, recertifying.
uncertifying, adjective


1. corroborate, verify, validate, guarantee.
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
certify (ˈsɜːtɪˌfaɪ)
 
vb , -fies, -fying, -fied
1.  to confirm or attest (to), usually in writing: the letter certified her age
2.  (tr) to endorse or guarantee (that certain required standards have been met)
3.  to give reliable information or assurances: he certified that it was Walter's handwriting
4.  (tr) to declare legally insane
5.  (US), (Canadian) (tr) (of a bank) to state in writing on (a cheque) that payment is guaranteed
 
[C14: from Old French certifier, from Medieval Latin certificāre to make certain, from Latin certuscertain + facere to make]
 
'certifier
 
n

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin & History

certify
early 14c., from O.Fr. certifier "make certain," from L.L. certificare, from L. certus (see certain) + root of facere "to make, do" (see factitious).
Online Etymology Dictionary, © 2010 Douglas Harper
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