認証の定義と意味 | Dictionary.com

CERTIFY Definition & Meaning | Dictionary.com Synonyms certify American [ sur -t uh -fahy] / ˈsɜr təˌfaɪ / verb (used with object) certified, certifying to attest as certain; give reliable information of; confirm. He certified the truth of his claim. Synonyms: guarantee , validate , verify , corroborate to testify to or vouch for in writing. The medical examiner will certify his findings to the court. to guarantee; endorse reliably. to certify a document with an official seal. to guarantee (a check) by writing on its face that the account against which it is drawn has sufficient funds to pay it. to award a certificate to (a person) attesting to the completion of a course of study or the passing of a qualifying examination. to declare legally insane and committable to a mental institution. Archaic. to assure or inform with certainty. verb (used without object) certified, certifying to give assurance; testify; vouch for the validity of something (usually followed by to ). certify British / ˈsɜːtɪˌfaɪ / verb to confirm or attest (to), usually in writing the letter certified her age (tr) to endorse or guarantee (that certain required standards have been met) to give reliable information or assurances he certified that it was Walter's handwriting (tr) to declare legally insane (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; see certain ) + -ficāre -fy Explanation To certify is to provide proof for something or to license someone, like a lawyer. You can certify a lawyer or certify that someone’s insane. Either way, when you certify something, you make it official. To certify is to have evidence that something is true, to make certain. If you certify that you own a house, you prove it's yours. Vouching for a friend can certify that the friend is a good person. Professionals like lawyers, doctors, and accountants must be certified. Being certified assures others that the person is qualified. Certify also refers to declaring someone legally insane, so make sure your doctor is certified by the medical board, not the loony bin. Keep Reading on Vocabulary.com Vocabulary lists containing certify Stargirl Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide! The Dawes Act Interested in learning more words like this one? Our team at Vocabulary.com has got you covered! You can review flashcards, quiz yourself, practice spelling, and more – and it's all completely free to use! This Week In Words: November 28–December 4, 2020 Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time! 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. Election officials must now verify the signatures and certify the results with the California secretary of state, who has until June 25 to make a final determination on whether the measure qualifies. From The Wall Street Journal • May 2, 2026 County election officials must certify results by July 2. From Los Angeles Times • May 1, 2026 “The analysis reveals how food and chemical companies have exploited a loophole in federal law in order to certify that their own new additives are ‘generally recognized as safe,’ or GRAS,” Benesh writes. From Salon • Apr. 11, 2026 “We have assembled a comprehensive, flexible financing package designed to execute our strategic plan, and materially strengthened our ability to build and certify Valo.” From Barron's • Mar. 30, 2026 Now he has a degree to certify his nosiness. From "On the Come Up" by Angie Thomas Related Words accredit approve ascertain authorize confirm endorse guarantee license notify validate verify 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.