Synonyms of testify in English:

testify


See definition of testify

verb

1‘you may be required to testify in court’

SYNONYMS
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’

SYNONYMS
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’

SYNONYMS
be evidence of, be proof of, attest to, confirm, evidence, prove, corroborate, substantiate, bear out
show, demonstrate, witness to, establish, indicate, reveal, bespeak
vouch for
ANTONYMS

belie