Synonyms to known

ascertained, actual, appreciated, apprehended, assured, attested, authenticated, borne out, categorically true, certain, certified, circumstantiated, comprehended, conceived, confirmed, corroborated, decided, demonstrated, determinate, determined, discerned, documentary, down pat, effectual, established, factual, fixed, grasped, guaranteed, historical, in the bag, made sure, nailed down, not in error, objectively true, on ice, open-and-shut, pat, perceived, prehended, proved, proven, real, realized, recognized, secure, seized, set, settled, shown, stated, substantiated, sure-enough, tested, tried, true, true as gospel, truthful, unconfuted, undenied, understood, undoubted, unerroneous, unfallacious, unfalse, unmistaken, unquestionable, unrefuted, validated, veracious, verified, veritable, warranted, current, AC, Brownian movement, DC, Zeitgeist, a la mode, absorption current, accepted, accessible, accidental, accompanying, accustomed, active current, ado, advance, advised, affirmed, affluence, afflux, affluxion, afloat, afoot, aim, air current, all the rage, all the thing, alternating current,