RichThesaurus
act as a witness
act as a witness
synonyms
profess
attest to
corroborate
confirm
put forth
guarantee
warrant
maintain
vouch
uphold
asseverate
certify
prove
substantiate
back
assure
get behind
be responsible for
say so
assert
cosign
declare
support
sponsor
testify
verify
swear up and down
okay
witness
avert
give an affidavit
rubberstamp
sign for
affirm
predicate
contend
avow
stand up for
answer for
bear testimony
swear to
vow
act as a witness
antonyms
refute
disavow
renounce
reject
deny