certification
Americannoun
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the act of certifying.
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the state of being certified.
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a certified statement.
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the writing on the face of a check by which it is certified.
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Law. a certificate attesting the truth of some statement or event.
noun
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the act of certifying or state of being certified
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law a document attesting the truth of a fact or statement
Other Word Forms
Etymology
Origin of certification
1400–50; late Middle English certificacio ( u ) n < Medieval Latin certificātiōn- (stem of certificātiō ). See certificate, -ion
Explanation
Certification is official proof that something is true or authentic, or the process of obtaining that proof. To work as a life guard, you need certification in both swimming and first aid — and a whole lot of sunscreen. If you want to be an elementary school teacher, you'll need to get certification, which shows you've been tested and found qualified to teach. Likewise, an auto mechanic's certification demonstrates her education and skill at car repair. One element of certification is demonstrating your ability, and the other is obtaining a document (or certificate) so you can prove that ability to other people.
Vocabulary lists containing certification
"Most Dangerous 'Sport' of All May Be Cheerleading"
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This Week in Words: Current Events Vocab for January 5–January 11, 2025
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Are You Ready to Hatch an Unusual Chicken?
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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.
Implementing a GammaTile program isn’t simple: It requires certification through state health authorities, specialized training for neurosurgeons and radiation physicists and buy-in across the oncology, radiology and surgery departments.
From The Wall Street Journal • May 30, 2026
Many small modular-reactor, or SMR, designs have yet to receive full design certification from the Nuclear Regulatory Commission.
From The Wall Street Journal • May 23, 2026
Disney said in its news release that it is a new certification for premium large format theaters and “will signify to audiences which auditoriums offer the biggest, brightest, and most immersive cinematic experiences.”
From Barron's • May 22, 2026
Ynys Enlli, in Gwynedd, became the first site in Europe to be awarded International Dark Sky Sanctuary certification in 2023, recognised for having one of the best night skies in the world.
From BBC • May 21, 2026
My mother had built it, piece by piece, a couple of years ago when she was getting some new level of certification in computer programming.
From "A Very Large Expanse of Sea" by Tahereh Mafi
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
