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Synonyms

certify

American  
[sur-tuh-fahy] / ˈsɜr təˌfaɪ /

verb (used with object)

certified, certifying
  1. to attest as certain; give reliable information of; confirm.

    He certified the truth of his claim.

    Synonyms:
    guarantee, validate, verify, corroborate
  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
  1. to give assurance; testify; vouch for the validity of something (usually followed byto ).

certify British  
/ ˈsɜːtɪˌfaɪ /

verb

  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. (tr) (of a bank) to state in writing on (a cheque) that payment is guaranteed

"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

Other Word Forms

  • certifier noun
  • precertify verb (used with object)
  • recertify verb (used with object)
  • uncertifying adjective

Etymology

Origin of certify

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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Brian Page is an accredited financial counselor, certified financial therapist candidate and founder of Modern Husbands.

From MarketWatch

Not all nurses are certified to be a SANE, and certification requirements vary by state, according to Sekula.

From Los Angeles Times

Gage argued the department flouted certain established safety protocols that called for the presence of certified trainers.

From Los Angeles Times

A senior defense official said on Tuesday that many at the Pentagon increasingly view Anthropic as a supply-chain risk and might ask contractors and vendors to certify that they don’t use the company’s Claude models.

From The Wall Street Journal

These would include nurse practitioners, physician assistants, and certified nurse midwives.

From Barron's