| agile(adjective, smart, intelligent, clever) |
| alive(adjective, cool, smart, bright, significant) |
| argute(sharp, smart, intelligent, clever, intelligence wisdom) |
| careful(adjective, kind, sound, sharp, smart) |
| clear-sighted(adjective, sharp, sensible, sensitive, intelligent) |
| cogent(adjective, intelligent) |
| commonsensical(adjective, sound, reasonable, rational, sober) |
| conscious(adjective, understanding, cool, reasonable, keen) |
| eagle-eyed |
| expert(adjective, good, cool, smart, bright) |
| farsighted(adjective, smooth, keen, sharp, smart) |
| hardheaded(hard, sound, sharp, practical, realistic) |
| learned(sound, sharp, intelligent, wise, sage) |
| logical(adjective, sound, tough, reasonable, sharp) |
| machiavellian(adjective, shrewd, scheming) |
| mindful(adjective, understanding, kind, friendly, polite) |
| nimble-witted(adjective, smart, bright, intelligent, shrewd) |
| penetrative(adjective, understanding, keen, sharp, smart) |
| pointed(adjective, penetrating, witty, searching, analytical) |
| provident |