Definition of attest verb from the Oxford Advanced American Dictionary

     

    attest

     verb
    verb
    NAmE//əˈtɛst//
     
    (formal)Verb Forms present simple I / you / we / they attest
     
    he / she / it attests
     
    past simple attested
     
    -ing form attesting
     
     
    jump to other results
  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