confirmation
Americannoun
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an act or instance of confirming, or of establishing someone or something, as by verifying, approving, or corroborating.
The study is an attempt at the scientific confirmation of previous anecdotal results.
The nomination and confirmation of this candidate as Court of Appeals Judge is a step in the right direction.
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Religion.
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a rite in some Christian churches, in which baptized individuals profess their faith, are accorded status as full members, and, in some denominations, receive the gift of the Holy Spirit.
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a solemn ceremony among Reform and certain Conservative Jews, admitting young people to adult membership in the Jewish community after completion of a prescribed course of study.
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something that confirms, as a corroborative statement or piece of evidence.
His birth certificate served as confirmation of his citizenship.
noun
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the act of confirming
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something that confirms; verification
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a rite in several Christian churches that confirms a baptized person in his or her faith and admits him or her to full participation in the church
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(in the philosophy of science) the relationship between an observation and the theory which it supposedly renders more probable Compare hypothetico-deductive
Other Word Forms
Etymology
Origin of confirmation
First recorded in 1300–50; Middle English, from Old French and Latin confirmātiōn-, stem of confirmātiō; see confirm, -ation
Explanation
A confirmation provides proof that something is true. An example might be when you receive confirmation that your flight will be on time, or you find out that something you thought might have happened actually did occur. Confirmation is verification or final proof of something. In the church, confirmation is a rite in which a person if awarded full acceptance into — i.e., confirmed in — the religion, usually presented in a ceremony attended by family and friends. You can see how that ties in with the more general definition of substantiation of a fact or assertion. Confirmation is an obvious derivative of the verb confirm.
Vocabulary lists containing confirmation
Unit 3: Compelling Evidence
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The Poet X
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Analyzing Arguments: From Reading to Writing (Chapter 3)
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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.
Confirmation came later when they actually took credit.
From The Wall Street Journal • Feb. 19, 2026
Confirmation comes from analyzing the “Buy-on-Dips Confidence Index” from Yale University finance professor Robert Shiller.
From MarketWatch • Jan. 21, 2026
Confirmation of the deal should come as no surprise to anyone watching the space.
From Barron's • Dec. 8, 2025
Confirmation testing by the Centers for Disease Control and Prevention is underway.
From Los Angeles Times • Feb. 9, 2025
But you can’t get to London without money and that’s why he hobbles up to us that Friday, the day before Confirmation.
From "Angela's Ashes: A Memoir" by Frank McCourt
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.
