THESAURUS
proven
ascertained, attested, authenticated, borne out, certified, circumstantiated, confirmed, corroborated, demonstrated, dependable, determined, established, faithworthy, fixed, incorruptible, inviolable, proved, reliable, responsible, settled, shown, straight, substantiated, sure, tested, to be trusted, tried, tried and true, true, trustable, trustworthy, trusty, unfalse, unperfidious, untreacherous, validated, verified
ROGET THESAURUS
proven
Demonstration
N
demonstration, proof, rigorous proof, conclusiveness, apodeixis, apodixis, probation, comprobation, logic of facts, experimentum crucis, argument, rigorous establishment, absolute establishment, conviction, cogency, (persuasion), demonstrating, demonstrative, demonstrable, probative, unanswerable, conclusive, apodictic, apodeictic, apodeictical, irresistible, irrefutable, irrefragable, necessary, categorical, decisive, crucial, demonstrated,
proven, unconfuted, unanswered, unrefuted, evident, deducible, consequential, consectary, inferential, following, convincing, cogent, persuasive (believable), of course, in consequence, consequently, as a matter of course, necessarily, of necessity, probatum est, there is nothing more to be said, quod est demonstrandum, Q, E, D, it must follow, exitus acta probat.