| clear(adjective, feature, view, vision, spectacle) |
| detectable(adjective, feature, view, vision, spectacle) |
| episode(noun, place, position, situation, location) |
| firmament(noun, sky, air, atmosphere, heavens) |
| heaven(noun, sky, air, atmosphere, heavens) |
| heavens(noun, sky, air, atmosphere) |
| incident(noun, place, position, situation, location) |
| locality(noun, place, position, situation, location) |
| location(noun, place, position, situation) |
| noticeable(adjective, feature, view, vision, spectacle) |
| observable(adjective, feature, view, vision, spectacle) |
| observe(verb, view, search, glance, sight) |
| ocular(adjective, feature, view, vision, spectacle) |
| ophthalmic(adjective, feature, view, vision, spectacle) |
| optic(adjective, feature, view, vision, spectacle) |
| optical(adjective, feature, view, vision, spectacle) |
| place(noun, position, situation, location) |
| stage(noun, place, position, situation, location) |
| view(noun, verb, place, position, situation) |
| visible(adjective, feature, view, vision, spectacle) |