| clever(adjective, characteristic, sound, smooth, tough) |
| crafty(adjective, characteristic, mean, smooth, keen) |
| astute(adjective, characteristic, mean, understanding, hard) |
| cunning(adjective, characteristic, mean, sound, smooth) |
| artful(adjective, characteristic, smooth, sharp, negative) |
| canny(adjective, characteristic, mean, smooth, reasonable) |
| sharp(adjective, characteristic, mean, understanding, sound) |
| sly(adjective, characteristic, mean, smooth, keen) |
| wily(adjective, characteristic, smooth, sharp, negative) |
| intelligent(adjective, characteristic, understanding, sound, smooth) |
| smart(adjective, characteristic, mean, understanding, sound) |
| tricky(adjective, characteristic, sharp, dishonest, cunning) |
| keen(adjective, characteristic, understanding, smooth, sharp) |
| wise(adjective, characteristic, understanding, sound, smooth) |
| foxy(adjective, characteristic, mean, smooth, keen) |
| ingenious(adjective, characteristic, mean, smooth, keen) |
| calculating(adjective, characteristic, mean, smooth, keen) |
| acute(adjective, characteristic, smooth, keen, sharp) |
| perceptive(adjective, characteristic, understanding, sound, smooth) |
| scheming(adjective, negative, dishonest, cunning, deceitful) |