certify
[verb]
Synonyms: confirm, assure, attest, authenticate, declare, guarantee, testify, validate, verify

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Contrasted words: antagonize, counter, oppose
Related Words: assert, aver, avouch, avow, profess, authorize, commission, license

[TahlilGaran] English Synonym Dictionary ▲

cer‧ti‧fy /ˈsɜːtəfaɪ, ˈsɜːtɪfaɪ $ ˈsɜːr-/ verb (past tense and past participle certified, present participle certifying, third person singular certifies) [transitive]
[Date: 1300-1400; Language: French; Origin: certifier, from Late Latin certificare, from Latin certus; ⇒ certain¹]

1. to state that something is correct or true, especially after some kind of test:
The accounts were certified by an auditor.
certify (that)
We need to certify that the repairs have been satisfactorily carried out.
certify somebody dead British English (=when a doctor says officially that a person is dead)
The driver was certified dead at the scene.

2. to give an official paper to someone which states that they have completed a course of training for a profession ⇒ certificate
certify somebody as something
She was certified as a teacher in 1990.

3. to officially state that someone is mentally ill

[TahlilGaran] Dictionary of Contemporary English ▲