Meaning of certify

Definition of certify

(verb) provide evidence for; stand as proof of; show by one's behavior, attitude, or external attributes; "His high fever attested to his illness"; "The buildings in Rome manifest a high level of architectural sophistication"; "This decision demonstrates his sense of fairness"
guarantee payment on; of checks
authorize officially; "I am licensed to practice law in this state"
guarantee as meeting a certain standard; "certified grade AAA meat"

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