cer·​ti·​fi·​ca·​tion | \ˌsər-tə-fə-ˈkā-shən \

Definition of certification 

1 : the act of certifying : the state of being certified

2 : a certified statement

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Synonyms for certification


certificate, document, instrument

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Examples of certification in a Sentence

the certification of the vote She had to wait until her certification as a nurse before she could start her new job. The certifications of nine teachers were revoked. The school offers scuba diving certification.
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Recent Examples on the Web

Council members have 60 days from the clerk’s certification to decide on whether to pass the ordinance themselves or to send it to a ballot. Josh Baugh, San Antonio Express-News, "Paid sick leave initiative signatures said to be enough," 6 July 2018 The qualifications required included being an electrician and having the refrigerant certifications. Donna Kiesling, Post-Tribune, "Ivy Tech helps steelworkers learn while they earn," 21 June 2018 All teachers at the school have ELL certifications. Valerie Strauss, Washington Post, "At this school, being ‘different’ is an asset," 5 June 2018 The prosecution previously had said that Sails lied to the school about having lifeguard certification. Christina Hall, Detroit Free Press, "Ex-teacher sentenced to probation in student's drowning in school pool," 30 May 2018 Volpe has several certifications, and went to school for more than a decade. Anna Orso, Philly.com, "Behind those before-and-after Instagram photos: Money, marketing and meal replacements," 21 May 2018 Waguespack has filed a complaint with the state Department of Health and Hospitals, alleging that some of those running the utility's water system do not have the proper certifications. Robert Rhoden, NOLA.com, "Tammany Utilities accused of falsifying reports, bullying citizens," 7 May 2018 Within days it was discovered that the pilot, 72-year-old Germán Marchan, was flying with an expired medical fitness license and that the Venezuelan airline that owned the plane, Transaereo 5074, did not have the correct air operator certification. Peter Greenberg, Town & Country, "Unfriendly Skies," 7 Feb. 2014 Apple’s refurbished products go through a rigorous testing and certification process, and come with a one-year limited warranty. Dami Lee, The Verge, "Apple is now selling refurbished HomePods, but Black Friday deals are cheaper," 13 Nov. 2018

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

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First Known Use of certification

15th century, in the meaning defined at sense 1

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Last Updated

12 Dec 2018

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Time Traveler for certification

The first known use of certification was in the 15th century

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English Language Learners Definition of certification

: the act of making something official : the act of certifying something

: official approval to do something professionally or legally


cer·​ti·​fi·​ca·​tion | \ˌsərt-ə-fə-ˈkā-shən \

Medical Definition of certification 

: the act of certifying : the state of being certified psychiatrists with subspecialty board certification in geriatrics— Gary Kennedy


cer·​ti·​fi·​ca·​tion | \ˌsər-ti-fi-ˈkā-shən \

Legal Definition of certification 

1a : the act of certifying

b : the state of being certified — see also certiorari

Note: Certification of an interlocutory decision by a trial court allows an appellate court to review the decision and to answer a controlling question of law. Certification is often used in state courts as well as federal courts and, where available, allows a federal court to refer a question of state law to the state's highest court. Certification is also used to refer to a judge's order that allows a suit to be maintained as a class action.

2 : a certified statement

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Comments on certification

What made you want to look up certification? Please tell us where you read or heard it (including the quote, if possible).


the figure or shape of a crescent moon

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