vouches (verb) vouch: give assurance
Sinonime: act as a witness,
affirm, answer for,
assert, asseverate,
assure, attest to,
avert, avow,
back, be responsible for, bear testimony,
certify,
confirm,
contend,
corroborate, cosign,
declare, get behind, give an affidavit,
guarantee,
maintain,
okay*,
predicate,
profess,
prove, put forth, rubber-stamp, say so, sign for,
sponsor, stand up for,
substantiate,
support, swear to, swear up and down,
testify,
uphold,
verify,
vow,
warrant,
witnessAntonime: deny, disavow,
refute,
reject,
renounce