Definition of 'certify'
- 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"
Synonyms: attest manifest demonstrate evidence
- guarantee payment on; of checks
- authorize officially; "I am licensed to practice law in this state"
Synonyms: license licence
Antonyms: decertify derecognize derecognise
- guarantee as meeting a certain standard; "certified grade AAA meat"
Synonyms: endorse indorse
- declare legally insane