certify

v. /ˈsɝː.t̬ə.faɪ/ B2

证明；证实；发证书

To state officially, especially in writing, that something is true.

仙境例句

The King certified that the tarts were real by tasting one himself.

国王亲自尝了一个馅饼，正式证明这些馅饼是真的。