American English

Definition of attest verb from the Oxford Advanced American Dictionary



    (formal)Verb Forms present simple I / you / we / they attest
    he / she / it attests
    past simple attested
    -ing form attesting
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  1. 1[intransitive, transitive] attest (to something) attest (that…) attest (something) to show or prove that something is true synonym bear witness to Contemporary accounts attest to his courage and determination. She is, as countless stories about her attest, deeply religious.
  2. 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.
See the Oxford Advanced Learner's Dictionary entry: attest