Incontrovertible

a.

1.

Not controvertible; too clear or certain to admit of dispute; indisputable.

Adj.	1.	incontrovertible - impossible to deny or disprove; "incontrovertible proof of the defendant's innocence"; "proof positive"; "an irrefutable argument" Synonyms: irrefutable, positive
	2.	incontrovertible - necessarily or demonstrably true; "demonstrable truths" Synonyms: demonstrable

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, incontestable, indicative, indisputable, indubitable, irrefragable, irrefutable, irresistible, material, nuncupative, overwhelming, positive, presumptive, probative, provable, real, reliable, self-evident, significant, suggestive, sure, symptomatic, telling, testable, unanswerable, unconfutable, uncontestable, undeniable, unequivocal, unimpeachable, unquestionable, unrefutable, valid, verifiable, weighty