(a.) Perceptible; capable of being observed\; worthy of notice; likely to attract observation; conspicuous.

acquaint advise appalling apparent appraisable appreciable apprise arrant arresting assessable astonishing beholdable blatant bold calculable clear clear as crystal clear-cut clue computable considerable conspicuous crystal-clear detectable determinable discernible disclosed distinct distinguishable egregious especial estimable evident exceptional explicit exposed exposed to view express extraordinary eye-catching fabulous fantastic fathomable flagrant formidable gaugeable glaring hanging out important in evidence in full view in plain sight in relief in the foreground in view incredible indisputable indubitable insight major manifest marked marvelous measurable mensurable meterable naked notable noteworthy notify notorious numerable observable obtrusive obvious of mark open open to view open-and-shut ostensible outcropping outstanding palpable patent perceivable perceptible perspicuous plain plain as day pointed prominent pronounced quantifiable quantizable recognizable remarkable reveal revealed salient seeable self-evident self-explaining self-explanatory sensational showing signal significant singular spectacular staring stark-staring sticking out striking superior tangible to be seen unclouded uncommon unconcealed undisguised unhidden unmistakable viewable visible visual witnessable wonderful