certify, attest, witness, vouch mean to testify to the truth or genuineness of something. certify usually applies to a written statement, especially one carrying a signature or seal.

ATTEST meaning: 1. to show, say, or prove that something exists or is true: 2. to say officially, for example by…. Learn more.

ATTEST definition: to bear witness to; certify; declare to be correct, true, or genuine; declare the truth of, in words or writing, especially to affirm in an official capacity. See examples of attest used in a …

Definition of attest verb in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

1. to bear witness to; declare to be correct, accurate, or genuine, in words or writing, esp. officially: to attest the truth of a statement. 2. to give proof or evidence of; manifest: This essay attests your …

[~ + object] to bear witness to, esp. officially: I can attest the truth of her statement. to give proof or evidence of: [~ + to + object] I can attest to her reliability. [~ + object] This essay attests your writing …

To attest something or attest to something means to say, show, or prove that it is true. Anyone who has heard the band can attest to their skill.