certify

verb

cer·​ti·​fy ˈsər-tə-ˌfī How to pronounce certify (audio)
certified; certifying

transitive verb

1
: to attest authoritatively: such as
a
b
: to present in formal communication
c
: to attest as being true or as represented or as meeting a standard
d
: to attest officially to the insanity of
2
: to inform with certainty : assure
3
: to guarantee (a personal check) as to signature and amount by so indicating on the face
4
: to recognize as having met special qualifications (as of a governmental agency or professional board) within a field
agencies that certify teachers
certifier noun
Choose the Right Synonym for certify

certify, attest, witness, vouch mean to testify to the truth or genuineness of something.

certify usually applies to a written statement, especially one carrying a signature or seal.

certified that the candidate had met all requirements

attest applies to oral or written testimony usually from experts or witnesses.

attested to the authenticity of the document

witness applies to the subscribing of one's own name to a document as evidence of its genuineness.

witnessed the signing of the will

vouch applies to one who testifies as a competent authority or a reliable person.

willing to vouch for her integrity

synonyms see in addition approve

Example Sentences

A judge must certify the contract. The document has been certified by the court. The car dealer certifies each car before it is sold. Has your doctor been certified?
Recent Examples on the Web Arizona law required counties to certify election results by the end of Monday. Eliza Collins And Alicia A. Caldwell, WSJ, 29 Nov. 2022 All 15 counties are required to certify the canvass by the end of the day Monday. Ellie Willard, The Arizona Republic, 25 Nov. 2022 The secretary of state is then statutorily required to certify the election results along with the governor, the attorney general, and the chief justice of Arizona’s Supreme Court. Eric Cortellessa, Time, 2 Nov. 2022 The Secretary of State is required to certify the contents of the ballot to county clerks by Sept. 9, and the board of canvassers is currently scheduled to convene that day. Detroit Free Press, 1 Sep. 2022 School boards would be required to certify each year that the money was used to pay for arts programs, and post that information online. Phil Willon, Los Angeles Times, 26 Aug. 2022 Kemp was required by state law to certify the results and has repeatedly said any other course would have invited endless litigation. Jeff Amy, ajc, 24 Apr. 2022 Kemp was required by state law to certify the results and has repeatedly said any other course would have invited endless litigation. Fox News, 27 Mar. 2022 Trump’s personal guarantees to some banks and insurers required him to certify that his financial statements were correct, according to James’ filing. Heather Vogell, ProPublica, 21 Jan. 2022 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'certify.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Word History

Etymology

Middle English certifien, from Anglo-French certefier, from Late Latin certificare, from Latin certus certain — more at certain

First Known Use

14th century, in the meaning defined at sense 1

Time Traveler
The first known use of certify was in the 14th century

Dictionary Entries Near certify

Cite this Entry

“Certify.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/certify. Accessed 4 Dec. 2022.

Kids Definition

certify

verb

cer·​ti·​fy ˈsərt-ə-ˌfī How to pronounce certify (audio)
certified; certifying
1
: to guarantee to be true or valid or as claimed or meeting a standard
2
: to recognize as having met special qualifications within a field
certify teachers
certifiable
-ˌfī-ə-bəl
adjective
certification
ˌsərt-ə-fə-ˈkā-shən
noun
certifier noun

Medical Definition

certify

verb

cer·​ti·​fy ˈsərt-ə-ˌfī How to pronounce certify (audio)
certified; certifying

transitive verb

1
: to attest authoritatively
especially : to attest officially to the mental illness of
2
: to designate as having met the requirements to practice medicine or a particular medical specialty

intransitive verb

: to attest by a certificate
five year program leading to examination by the American Board which certifies in that specialty Bulletin of Meharry Medical College
certifiable
ˈsər-tə-ˌfī-ə-bəl, ˌsər-tə-ˈfī-
adjective
certifiably adverb

Legal Definition

certify

transitive verb

cer·​ti·​fy ˈsər-tə-ˌfī How to pronounce certify (audio)
certified; certifying
1
: to state authoritatively: as
a
: to give assurance of the validity of
certify corporate records
b
: to present in formal communication (as an order) especially for review by an appellate court
the court may certify the question to the Supreme Judicial Court R. T. Gerwatowski
see also certification
c
: to state as being true or as reported or as meeting a standard
refused to certify the suit as a class action and dismissed it Marcia Coyle
2
: to guarantee (a personal check) as to signature and amount by so indicating (as by stamping certified) on the face see also certified check at check
3
b
: to designate (a labor union) as an exclusive bargaining agent or representative

History and Etymology for certify

Medieval Latin certificare, from Late Latin, to assure, convince, from Latin certus certain + -ficare to make

More from Merriam-Webster on certify

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