| treacherous(adjective, mean, smooth, dishonest, deceitful) |
| wary(adjective, careful, cunning, wise, prudent) |
| alert(adjective, understanding, sharp, bright, careful) |
| apt(adjective, smooth, tough, smart, bright) |
| calculative |
| cognizant(adjective, reasonable, significant, sober, realistic) |
| discreet(adjective, reasonable, smart, sensible, skill) |
| experienced(adjective, sound, smooth, tough, keen) |
| far-sighted(adjective, smooth, reasonable, sensible, rational) |
| manipulative(adjective, negative, deceitful, wily, scheming) |
| omniscient(adjective, knowledge, knowing) |
| plotting(adjective, mean, smooth, cunning, deceitful) |
| provident(adjective, sensible, careful, wise, prudent) |
| rational(adjective, hard, sound, tough, reasonable) |
| serpentine(adjective, cunning, sly, winding) |
| skillful(adjective, knowledge, smart, bright, cunning) |
| adept(adjective, tough, smart, bright, energetic) |
| crooked(adjective, mean, smooth, dishonest, cunning) |
| deft(adjective, tough, bright, cunning, effective) |
| dishonest(adjective, mean, smooth, deceitful, dubious) |