Thesaurus
Synonyms & Antonyms of certify
1
to declare (something) to be true or genuine
- experts certified the letter as indeed having been written by Abraham Lincoln
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2
to give official or legal power to
- certified her as a teacher
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3
to give evidence or testimony to the truth or factualness of
- please bring in a doctor's note to certify that you were really sick
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Merriam-Webster unabridged
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Time Traveler for certify
The first known use of certify was in the 14th century
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