Irrefutable

(a.) Incapable of being refuted or disproved; indisputable.

Thesaurus Entries

absolute, actual, adducible, admissible, admitting no question, attestative, attestive, authentic, based on, certain, circumstantial, conclusive, confirmable, convincing, cumulative, damning, decisive, demonstrable, demonstratable, determinative, documentary, documented, evidential, evidentiary, ex parte, eye-witness, factual, final, firsthand, founded on, grounded on, hearsay, historical, implicit, inappealable, incontestable, incontrovertible, indicative, indisputable, indubitable, irrefragable, irresistible, material, nuncupative, overwhelming, presumptive, probative, provable, real, reliable, self-evident, significant, suggestive, sure, symptomatic, telling, testable, unanswerable, unconfutable, uncontestable, undeniable, unimpeachable, unquestionable, unrefutable, valid, verifiable, weighty