verb

certify

to certify, to attest, to verify

The document was certified as a true copy.

The document was certified as a true copy.

The board will certify the election results.

The board will certify the election results.

He was certified insane by the court.

He was certified insane by the court.

((sth.)) ((as sth.)) to officially state that (sth.) is true or correct The document was certified as a true copy.

((sb.)) ((as sth.)) to officially recognize (sb.) as having a certain status He was certified as a qualified accountant.

Synonyms: verify, confirm, attest; Antonyms: deny, dispute

From Latin 'certus' (certain) + 'facere' (to make). Literally 'to make certain'.

Think of a 'certificate', which is a document that proves something. To 'certify' is the action of providing that proof.

This page is designed for learning support. Please use it as a learning reference, not as a formal reference.