- 1[intransitive, transitive] attest (to something) attest (that…) attest (something) to show or prove that something is true synonym bear/give witness (to something) Contemporary accounts attest to his courage and determination. She is, as countless stories about her attest, deeply religious.
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- 2[transitive] attest (something) attest (that…) to state that you believe that something is true or genuine, for example in court to attest a will The signature was attested by two witnesses.
attest
verbNAmE//əˈtɛst//
(formal)Verb Forms present simple I / you / we / they attest he / she / it attests
past simple attested
-ing form attesting
Check pronunciation: attest