absolute certainty, absoluteness, assurance, assuredness, certain knowledge, certainness, certainty, certitude, chastity, dead certainty, defectlessness, definiteness, determinacy, determinateness, faultlessness, finish, flawlessness, immaculateness, impeccability, ineluctability, inerrability, inerrancy, inevitability, infallibilism, necessity, nonambiguity, noncontingency, perfection, positiveness, predestination, predetermination, probatum, proved fact, purity, sinlessness, spotlessness, stainlessness, sureness, surety, taintlessness, truth, unambiguity, unequivocalness, univocity, unmistakableness