Synonyms and related words :
apparent, ascertained, assured, attested, certified, clear, clear as crystal, crystal-clear, decided, determinate, determined, discernible, distinct, established, evident, explicit, express, fixed, guaranteed, in the bag, indisputable, indubitable, made sure, manifest, nailed down, noticeable, observable, obvious, on ice, palpable, patent, perceivable, perceptible, perspicuous, plain, plain as day, proved, secure, seeable, self-evident, self-explaining, self-explanatory, set, settled, stated, straightforward, tangible, tested, to be seen, tried, unmistakable, visible, warranted