- 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.
- 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. Word Origin early 16th cent.: from French attester, from Latin attestari, from ad-
BrE BrE//əˈtest//; NAmE NAmE//əˈtest//(formal)Verb Forms present simple I / you / we / they attest
BrE BrE//əˈtest//; NAmE NAmE//əˈtest//he / she / it attests
BrE BrE//əˈtests//; NAmE NAmE//əˈtests//past simple attested
BrE BrE//əˈtestɪd//; NAmE NAmE//əˈtestɪd//past participle attested
BrE BrE//əˈtestɪd//; NAmE NAmE//əˈtestɪd//-ing form attesting
BrE BrE//əˈtestɪŋ//; NAmE NAmE//əˈtestɪŋ//