incontrovertible

incontrovertible adjective absolute, apodictic, assured, authoritative, beyond a shadow of a doubt, beyond contradiction, capable of proof, certain, clear-cut, conclusive, definite, demonstrable, established, factual, inappealable, incontestable, indisputable, indubitable, irrefragable, irrefutable, noncontroversial, past dispute, positive, questionless, quod refutari non potest, settled, sure, testable, true, unambiguous, unchallengeable, unconfutable, undeniable, unequivocal, unimpeachable, unmistakable, unquestionable, unshakable, veracious
Associated concepts: incontrovertible fact, incontroverttble proof

---

See also: absolute, axiomatic, believable, categorical, certain, clear, cogent, conclusive, definitive, determinative, factual, fixed, immutable, inappealable, incontestable, indefeasible, infallible, irrefutable, peremptory, positive, reliable, resounding, solid, sound, uncontested, undeniable, undisputed, unequivocal, unimpeachable, unrefutable