| intelligent(adjective, clear, understanding, cool, sound) |
| sage(noun, adjective, understanding, cool, sound) |
| sensible(adjective, calm, good, clear, understanding) |
| sagacious(adjective, understanding, cool, sound, smooth) |
| prudent(adjective, calm, good, sound, reasonable) |
| judicious(adjective, calm, good, clear, understanding) |
| knowledgeable(adjective, understanding, cool, sound, reasonable) |
| shrewd(adjective, understanding, sound, smooth, reasonable) |
| clever(adjective, cool, sound, smooth, reasonable) |
| smart(adjective, close, quality, understanding, open) |
| rational(adjective, calm, good, clear, understanding) |
| reasonable(adjective, calm, good, sound, reasonable) |
| astute(adjective, understanding, cool, sound, smooth) |
| sound(noun, adjective, good, clear, reasonable) |
| perceptive(adjective, clear, understanding, cool, sound) |
| knowing(verb, adjective, understanding, sound, smooth) |
| discerning(adjective, clear, understanding, cool, sound) |
| perspicacious(adjective, understanding, sound, reasonable, keen) |
| sharp(adjective, understanding, cool, sound, smooth) |
| informed(adjective, understanding, sound, reasonable, sharp) |