| acute(adjective, understanding, smooth, keen, sharp) |
| canny(adjective, cool, smooth, reasonable, keen) |
| discriminating(adjective, sound, reasonable, keen, sharp) |
| provident(adjective, sensible, careful, wise, practical) |
| discreet(adjective, understanding, reasonable, keen, sharp) |
| profound(adjective, sharp, smart, sensible, intelligent) |
| brainy(adjective, understanding, cool, smooth, keen) |
| politic(adjective, sensible, wise, cautious, shrewd) |
| quick-witted(adjective, cool, keen, sharp, smart) |
| reasonable(adjective, sound, reason, sensible, sober) |
| savvy(adjective, understanding, smooth, keen, sharp) |
| cute |
| bright(adjective, good, cool, sharp, smart) |
| deep(adjective, sharp, smart, bright, intelligent) |
| farsighted(adjective, smooth, keen, sharp, smart) |
| percipient(adjective, understanding, cool, keen, sharp) |
| sane(adjective, sound, reasonable, reason, sensible) |
| well-rounded(smart, familiar, intelligent, brilliant, informed) |
| clairvoyant(adjective, wise, shrewd, acute, clairvoyant) |
| erudite(adjective, smart, sensible, familiar, deep) |