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).
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
1 corroborate, verify, validate, guarantee.
SEE SYNONYMS FOR certify ON THESAURUS.COM
OTHER WORDS FROM certify
cer·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
Words nearby certify
certified mail, certified milk, certified pasteurized milk, certified professional secretary, certified public accountant, certify, certiorari, certitude, certosina, cerulean, cerulean blue
NASA and Boeing have provided some updates around their Commercial Crew plans, which aim to get Boeing’s CST-100 spacecraft certified for regular human flight.
Boeing and NASA target December for second try at uncrewed orbital demonstration flight|Darrell Etherington|August 28, 2020|TechCrunch
The Cessna 172 debuted in 1955 and the Cessna 208 was FAA certified in 1984.
Cessna makes history by taking off and landing with no one aboard. Here’s how|Jeremy Kahn|August 26, 2020|Fortune
In other cases, confusion over how PUA recipients needed to certify or who qualified for the new aid led to other problems for states.
There are only 2 states paying Trump’s $300 unemployment benefits so far. Here’s where the rest stand|Lee Clifford|August 25, 2020|Fortune
This unit is Energy Star-certified so you can save your pennies while you keep your kitchen clean.
Small dishwashers that fit in almost any kitchen|PopSci Commerce Team|August 25, 2020|Popular Science
The United States’ “adequacy” protection was limited to companies that were certified under the Privacy Shield.
WTF…are standard contractual clauses|Lara O'Reilly|August 7, 2020|Digiday
In order to withhold the photographs, the secretary of defense must certify that photographs could cause harm to Americans.
The Detainee Abuse Photos Obama Didn’t Want You To See|Noah Shachtman, Tim Mak|December 15, 2014|DAILY BEAST
The FAA will have to certify SpaceShipTwo as airworthy, but there are as yet no protocols in place for that process.
Tycoons in Space: One in Orbit and One Still Grounded|Clive Irving|October 5, 2014|DAILY BEAST
The decision to certify the planes and their sensors has been pending since late last year, long before the Ukraine crisis began.
Pentagon Moves to Block Russian Spy Plane in American Skies|Eli Lake|April 18, 2014|DAILY BEAST
The first is how the FAA can certify the craft as safe for passenger flight.
Branson’s Galactic Obstacles: Tom Bower Puts a Damper on Virgin’s Space Flight Dreams|Clive Irving|January 30, 2014|DAILY BEAST
The folks from RecordSetter.com were there, the hosts told the hopeful twerkers, to adjudicate and certify the world record.
Scandal in Twerktown: Big Freedia’s Twerking World Record Challenged|Brian Ries|September 26, 2013|DAILY BEAST
Cowper—When you returned to the Coroner's inquest, what did you certify as your opinion?
State Trials Vol. 2 (of 2)|Various
Why will they attempt to bribe Science to certify to the writings of God?
Individuality|Robert G. Ingersoll
He could, indeed, certify to himself that the drawing of the features was correct enough.
Lippincott's Magazine, Volume 11, No. 26, May, 1873|Various
Another there was who asked the Captain to certify that he had not received royal pay, he himself having given it.
The Voyages of Pedro Fernandez de Quiros|Pedro Fernandez de Quiros
They would not hesitate to certify to the land office that such lands were "unoccupied."
Glimpses of Three Coasts|Helen Hunt Jackson
British Dictionary definitions for certify
certify
/ (ˈsɜːtɪˌfaɪ) /
verb-fies, -fyingor-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 certify
certifier, noun
Word Origin for certify
C14: from Old French certifier, from Medieval Latin certificāre to make certain, from Latin certuscertain + facere to make