attest

verb

I can attest to the fact that he is a reliable person.

意味（1）

(transitive) To affirm to be correct, true, or genuine.

When will the appraiser attest the date of the painting?

意味（2）

(transitive) To certify by signature or oath.

You must attest your will in order for it to be valid.

意味（3）

(transitive) To certify in an official capacity.

意味（4）

(transitive, intransitive) To supply or be evidence of.

Her fine work attested her ability.

意味（5）

(transitive) To put under oath.

意味（6）

(transitive, obsolete) To call to witness; to invoke.

The sacred streams which Heaven's imperial state / Attests in oaths, and fears to violate.