certify
verb (used with object)
to attest as certain; give reliable information of; confirm.
have certified
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present perfectof certify.present perfect
Used to describe actions that started in the past and continue into or have direct relevance to the present.
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.
Apple, Samsung and Google have certified refurbished programs where used phones get genuine replacement parts, the latest software and a one-year warranty.
From The Wall Street Journal ● Aug. 23, 2026
Twenty-four days after the polls closed on election day, Los Angeles County officials have certified the results from the 2,227,461 ballots cast.
From Los Angeles Times ● Jun. 27, 2026
His organisation persuades farmers to raise cattle entirely on grass, and they have certified Lilliput Farm.
From BBC ● May 29, 2025
But no LNG exporters in the United States have certified their facilities, according to both the liquefaction plant owners and certification company MiQ, which had hoped to land contracts with them this year.
From Reuters ● Oct. 19, 2022
They were, they insisted, interested only in chemical processes which they could reproduce in their own laboratories and could then have certified by their colleagues.
From "The Invention of Science" by David Wootton
