WordNet: attest

authenticate, affirm to be true, genuine, or correct, as in an official capacity; "I attest this signature"

• hypernym affirm, assert, aver, avow, swan, swear, verify

• verb group attest

attest

• (englanti) attestation (derivationally related)

• (englanti) attester (derivationally related)

• (englanti) attestant (derivationally related)
• (suomi) todistaa (synonyymi)