incontestable
incontestible
undeniable
absolute
actual
adducible
admissible
admitting no question
attestative
attestive
authentic
based on
certain
circumstantial
conclusive
confirmable
convincing
cumulative
damning
decisive
definite
definitive
demonstrable
demonstratable
determinative
documentary
documented
established
evidential
evidentiary
ex parte
eye-witness
factual
final
firsthand
founded on
grounded on
hearsay
historical
implicit
inappealable
indicative
indisputable
indubitable
irrefragable
irrefutable
irresistible
material
nuncupative
overwhelming
positive
axiomatic
cogent
confirmatory
corroborative
immutable
inarguable
irrevocable
self-evident
syllogistic
unambiguous
unanswerable
unassailable
undisputed
unequivocal
unimpeachable
unquestionable
controvertible