testify — OET

testify

verb

1 you may be required to testify in court:

give evidence, bear witness, be a witness, give one's testimony, attest;

technical make a deposition;

Scottish, archaic depone.

2 he testified that he had been threatened by a fellow officer:

attest, swear, state on oath, state, declare, assert, affirm, avow, aver, certify;

allege, profess, submit, claim;

technical depose;

rare asseverate.

▷antonyms deny.

3 the exhibits testify to the talents and versatility of the local sculptors:

be evidence/proof of, attest to, confirm, evidence, prove, corroborate, substantiate, bear out;

show, demonstrate, witness to, establish, indicate, reveal, bespeak;

vouch for.

▷antonyms belie.

testify Oxford Dictionary of English