| right(adjective, sensible, rational, healthy, stable) |
| scholarly(sound, sharp, smart, bright, sensible) |
| scrupulous(adjective, fastidious) |
| searching(adjective, correct, alert, intelligent, perceptive) |
| second-sighted(adjective, psychic, clairvoyant, telekinetic, mystic) |
| seeing(noun, verb, adjective, understanding, keen) |
| sentient(adjective, understanding, cool, reasonable, keen) |
| separating(verb, discriminating) |
| sharp-eyed(adjective, correct, alert, intelligent, perceptive) |
| sighting(noun, verb, seeing) |
| skilful |
| skilled(adjective, smart, bright, sensitive, deep) |
| slick(adjective, cool, smooth, keen, sharp) |
| sly(adjective, smooth, keen, sharp, smart) |
| spying(verb, seeing) |
| squeamish(adjective, fastidious) |
| streetwise(adjective, smooth, keen, sharp, smart) |
| talented(adjective, smart, bright, intelligent) |
| thought(noun, adjective, attention, rational, consideration) |
| viewing(verb, seeing) |