Synonyms of vouch for in English:

vouch for

See UK English definition of vouch


1‘I can vouch for the veracity of his story’

attest to, confirm, affirm, verify, swear to, testify to, bear witness to, bear out, back up, support, corroborate, substantiate, prove, uphold, show the truth of, give substance to, give credence to, second, endorse, certify, warrant, validate, give assurance of
answer for, be responsible for, be liable for, go bail for, stand bail for
informal stick up for, throw one's weight behind