visible

viewable

detectable, discernible (also discernable), noticeable, perceptible

clear, conspicuous, evident, eye-catching, manifest, obvious, overt, patent, perceivable, plain, prominent, striking

exposed, external, outer, outward, superficial

fabled, fabulous, legendary

infamous

distinguished, eminent, exceptional, great, illustrious, leading, notable, noteworthy, outstanding, preeminent, prestigious, remarkable, supereminent, superior

important, significant

acknowledged, recognized, respected

favorite, popular, preferred