| experienced(adjective, good, cool, sound, smooth) |
| good(adjective, keen, sharp, smart, bright) |
| awake(adjective, activity, understanding, cool, reasonable) |
| competent(adjective, good, cool, keen, smart) |
| educated(adjective, sound, sharp, smart, sensible) |
| incisive(adjective, keen, sharp, smart, shrewd) |
| levelheaded(adjective, sound, reasonable, sensible, rational) |
| omniscient(adjective, smart, familiar, brilliant, informed) |
| on the ball(expression, adjective, idiom, good, smooth) |
| psychological(adjective, rational, thoughtful, knowledgeable, intellectual) |
| sly(adjective, smooth, keen, sharp, smart) |
| together(adjective, sensible, rational, sober, sound) |
| well-advised(adjective, sound, reasonable, sensible, rational) |
| well-read(adjective, knowledge, experience, skill, expert) |
| whip-smart(informal, american, adjective, characteristic, intelligence) |
| wily(adjective, sharp, smart, sensitive, shrewd) |
| advisable(adjective, sound, sensible, rational, sober) |
| automated(machine, adjective, property, automation) |
| capable of learning(expression, characteristic, intelligence, smartness) |
| capable of thought(expression, characteristic, intelligence, smartness) |