RichThesaurus
confirm
confirm
synonyms
verify
corroborate
substantiate
validate
support
endorse
ratify
certify
prove
establish
bear out
authenticate
uphold
affirm
warrant
approve
demonstrate
sanction
justify
attest
show
guarantee
sustain
back
back up
settle
authorize
evidence
determine
vouch for
attest to
clinch
testify to
witness
seal
assure
vindicate
okay
indicate
make sure
fix
manifest
accept
give credence to
check
testify
bear witness to
evince
strengthen
accredit
more synonyms
confirm
antonyms
deny
disprove
contradict
invalidate
refute
negate
reject
controvert
discredit
repudiate
oppose
confute
gainsay
revoke
negative
refuse
explode
shoot full of holes
nullify
dispute
quash
veto
give the lie to
drive a coach and horses through
void
annul
challenge
shoot down (in flames)
overturn
disaffirm
blow sky-high
abrogate
cancel
counter
disavow
countermand
retract
prove wrong
repeal
destroy
disclaim
rescind
belie
prove false
disapprove
recall
weaken
call into question
prove to be false
disallow
more antonyms