| sage(noun, adjective, understanding, cool, sound) |
| conscious(adjective, understanding, open, cool, keen) |
| discriminating(adjective, reasonable, sharp, sensible, intelligent) |
| penetrating(adjective, understanding, strong, keen, sharp) |
| quick-witted(adjective, strong, cool, keen, sharp) |
| sensible(adjective, clear, understanding, open, cool) |
| smart(adjective, understanding, cool, sound, smooth) |
| knowledgeable(adjective, understanding, cool, sound, keen) |
| knowing(adjective, understanding, cool, sound, smooth) |
| prudent(adjective, sharp, smart, sensible, intelligent) |
| responsive(adjective, understanding, open, keen, sharp) |
| attentive(adjective, understanding, sharp, bright, lively) |
| on the ball(expression, adjective, idiom, smooth, keen) |
| tactful(adjective, sensible, sensitive, careful, intelligent) |
| understanding(noun, adjective, sound, keen, sharp) |
| bright(adjective, open, cool, keen, sharp) |
| canny(adjective, cool, smooth, keen, sharp) |
| cognizant(adjective, understanding, cool, keen, fine) |
| politic(adjective, sensible, sensitive, intelligent, wise) |
| apprehensive(adjective, cool, sensible, alert, significant) |