Synonyms to authenticatable

demonstrable, absolute, actual, admitting no question, apodictic, apparent, attestable, certain, checkable, conclusive, confirmable, demonstratable, demonstrated, displayable, displayed, evident, evincible, exhibitable, exhibited, factual, historical, inappealable, incontestable, incontrovertible, indisputable, indubitable, irrefragable, irrefutable, manifest, obvious, positive, provable, real, self-evident, shown, substantiatable, supportable, sustainable, testable, unanswerable, unconfutable, undeniable, unimpeachable, unquestionable, unrefutable, validatable, verifiable, acceptable, authe