| objective(adjective, sound, reasonable, moderate, honest) |
| observant(adjective, understanding, cool, reasonable, keen) |
| philosophical(knowledgeable, cultured, educated, erudite, scholarly) |
| profound(adjective, sharp, smart, sensible, intelligent) |
| prudential |
| quick-witted(adjective, cool, keen, sharp, smart) |
| reflective(adjective, sound, reasonable, sharp, smart) |
| sensitive(adjective, understanding, keen, sharp, refined) |
| sophisticated(adjective, cool, sensible, significant, careful) |
| valid(clear, reasonable, sensible, proper, logical) |
| vigilant(adjective, understanding, cool, reasonable, sensible) |
| worldly-wise(adjective, cool, reasonable, smart, sensible) |
| analytical(adjective, clear, reasonable, sensible, proper) |
| appropriate(adjective, sensible, useful, wise, practical) |
| bright(adjective, cool, sharp, smart, significant) |
| clear-sighted(adjective, sharp, sensible, sensitive, thoughtful) |
| crafty(adjective, smooth, keen, sharp, smart) |
| deliberate(adjective, calm, cool, sound, soft) |
| dexterous(adjective, smart, sensitive, shrewd, clever) |
| discriminatory(adjective, circumspect) |