probative
probatory
disprobative
aver
disaffirmation
denial
verify
have someone going
pretend
vouch
averment
debunk
deliberative
allegate
put one's money where one's mouth is
assertionally
string on
refutation
evidence
rebuttal
pill
give the lie to
strengthen
misproof
truthen
carry conviction
charge
refute
prove
by God
bear out
factify
allege
oppugn
misconnote
allegement
argumentum ad fidem
protest
allegation
disconfirm
affirmative
self-contradictory
elocute
denounce
unsubstantiate
outlie
convict
evidentiate
purport
misprofess
disprove
corroborate
alleger
pseudologia fantastica
rebut
establish
truth be told
call one's bluff
preach to the choir
counterassert
lying
convince
postulate
big lie
lie
report
what
misassert
prevail upon
tattle
tell tales
hand to God
pleading in the alternative
singing
alternative pleading
telling
asserting
lienable
unpersuade
accusative
factly
bagsy
take the point
show
assertable
vindication
elench
plea
I can tell you
blaming
testimony
should
nonlying
win around
permissivism
testification
non assumpsit
talk through one's hat