| vulpine(adjective, cunning) |
| wised up(expression, adjective, characteristic, sharp, smart) |
| careful(adjective, sensible, wise, prudent, clever) |
| competent(adjective, tough, smart, bright, energetic) |
| deceptive(adjective, mean, smooth, cunning, deceitful) |
| enlightened(adjective, sound, knowledge, sharp, sensible) |
| evasive(adjective, dishonest, cunning, deceitful, dubious) |
| expert(adjective, tough, smart, bright, significant) |
| fast learner |
| foresighted(adjective, sound, sharp, sensible, careful) |
| masterly(adjective, tough, cunning, effective, treacherous) |
| opportunistic(subtle, tactful, suave) |
| penetrative(adjective, understanding, sharp, smart, alert) |
| realistic(adjective, hard, sound, tough, reasonable) |
| reasonable(adjective, hard, sound, sensible, rational) |
| sane(adjective, hard, sound, reasonable, sensible) |
| skilful |
| sophisticated(adjective, sensible, significant, wise, expressive) |
| stealthy(adjective, mean, smooth, cunning, knowing) |
| unscrupulous(adjective, mean, smooth, negative, cunning) |