Synonyms and related words :
apparent, appreciable, arresting, believable, certain, clear, clear as crystal, colorable, concrete, credible, crystal-clear, detectable, discernible, distinct, evident, explicit, express, indisputable, indubitable, manifest, material, noticeable, observable, obvious, open-and-shut, ostensible, patent, perceivable, perceptible, perspicuous, plain, plain as day, plausible, ponderable, positive, real, remarkable, seeable, seeming, self-evident, self-explaining, self-explanatory, sensible, solid, straightforward, striking, substantial, substantive, sure, tactile, tangible, to be seen, touchable, unequivocal, unmistakable, visible, weighable