| apt(adjective, wise, learned, sage) |
| awake(adjective, understanding, cool, keen, sharp) |
| brilliant(adjective, cool, sharp, smart, significant) |
| calculating(keen, sharp, smart, sensible, intelligent) |
| clairvoyant(adjective, clairvoyant) |
| cognizant(adjective, understanding, cool, crack, significant) |
| contemplative(sound, sharp, sensible, intelligent, wise) |
| deep(adjective, sharp, smart, sensitive, thoughtful) |
| farsighted(adjective, sharp, smart, intelligent, wise) |
| gnostic(adjective, understanding, smooth, keen, sharp) |
| incisive(adjective, understanding, keen, sharp, smart) |
| informed(sound, sharp, sensible, familiar, deep) |
| intellectual(deep, thoughtful, reflective) |
| learned(sound, sharp, familiar, deep, intelligent) |
| mindful(perceptive, observant) |
| omniscient(smart, familiar, intelligent, brilliant, informed) |
| penetrative(adjective, understanding, keen, sensitive, shrewd) |
| reasonable(adjective, sensible, intelligent, sage) |
| scholarly(sound, sharp, smart, sensible, familiar) |
| sharp-witted(sharp, smart, wise, astute, sagacious) |