| sensitive(adjective, understanding, keen, sharp, shrewd) |
| cunning(adjective, sound, sharp, smart, sensible) |
| cute(adjective, understanding, shrewd, perceptive) |
| erudite(adjective, smart, sensible, familiar, deep) |
| far-sighted(adjective, wise, learned, sage, intuitive) |
| ingenious(sharp, smart, sensitive, shrewd, penetrating) |
| prescient(adjective, smart, familiar, intelligent, brilliant) |
| profound(keen, sharp, smart, sensitive, deep) |
| provident(adjective, clairvoyant) |
| prudent(adjective, sharp, smart, sensible, sensitive) |
| rational(adjective, understanding, smooth, keen, sharp) |
| responsive(adjective, understanding, keen, sensitive, shrewd) |
| sly(adjective, keen, sharp, smart, shrewd) |
| sophisticated(adjective, cool, significant, familiar, intelligent) |
| sound(adjective, sharp, sensible, intelligent, wise) |
| thoughtful(adjective, sound, sharp, sensible, sensitive) |
| tricky(adjective, sharp, smart, astute, intuitive) |
| wily(adjective, sharp, smart, astute, intuitive) |
| apperceptive(perceptive, observant) |
| apprehensive(adjective, cool, crack, significant, intelligent) |