| canny(intelligent, wise, learned, sage) |
| farseeing(psychic, clairvoyant, telekinetic, mystic, intuitive) |
| farsighted(intelligent, wise, learned, psychic, intuitive) |
| hawk-eyed |
| keen(sensible, alert, intelligent, wise, shrewd) |
| knowing(sharp, sensitive, intelligent, wise, piercing) |
| on the ball(expression, idiom, alert, intelligent, attentive) |
| perceptive(adjective, sharp, alert, intelligent, wise) |
| reasonable(adjective, sensible, wise, shrewd) |
| sagacious(adjective, sharp, smart, sensible, sensitive) |
| sensible(adjective, intelligent, wise, shrewd, learned) |
| sharp(adjective, sensible, alert, sensitive, intelligent) |
| sharp-eyed(adjective, sympathetic, alert, intelligent, perceptive) |
| sound(adjective, sensible, wise, shrewd) |
| subtle(sharp, sensitive, piercing, astute, discriminating) |
| wide-awake(alert, intelligent, perceptive, attentive, watchful) |
| accurate(sensible, wise, shrewd) |
| acute(adjective, sharp, sensible, sensitive, intelligent) |
| advertent(adjective, sympathetic, alert, intelligent, perceptive) |
| apt(smooth, wise, shrewd, learned, sage) |