cer·ti·fied

[sur-tuh-fahyd]
adjective
1.
having or proved by a certificate: a certified representative.
2.
guaranteed; reliably endorsed: a certified check.
3.
legally declared insane.
4.
committed to a mental institution.

Origin:
1605–15; certify + -ed2

non·cer·ti·fied, adjective
un·cer·ti·fied, adjective
well-cer·ti·fied, adjective
00:10
Certified is always a great word to know.
So is ort. Does it mean:
a scrap or morsel of food left at a meal.
a fool or simpleton; ninny.
Dictionary.com Unabridged

cer·ti·fy

[sur-tuh-fahy] verb, cer·ti·fied, cer·ti·fy·ing.
verb (used with object)
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)
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

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


1. corroborate, verify, validate, guarantee.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
Cite This Source Link To certified
Collins
World English Dictionary
certified (ˈsɜːtɪˌfaɪd) [Click for IPA pronunciation guide]
 
adj
1.  holding or guaranteed by a certificate
2.  endorsed or guaranteed: a certified cheque
3.  (of a person) declared legally insane

certify (ˈsɜːtɪˌfaɪ) [Click for IPA pronunciation guide]
 
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
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
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
Cite This Source
Example sentences
There is no incentive to ensure that offsets in their portfolio are real, only
  that they have been certified by the regulator.
The products are made with natural ingredients, and three are certified organic.
Meanwhile certified scholars continue to work strenuously on new studies and
  new editions.
In theory, if the strawberry cream cheese is certified kosher, it doesn't
  contain carmine-based dye.
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