| civil(cautious, tactful, circumspect) |
| cognizant(adjective, cool, significant, intelligent, brilliant) |
| competent(adjective, cool, smart, significant, familiar) |
| conscious(adjective, cool, significant, intelligent, brilliant) |
| conservative(cautious, tactful, circumspect) |
| considerate(sensible, wise, cautious, shrewd, tactful) |
| controlled(cautious, tactful, circumspect) |
| conversant(adjective, cool, significant, intelligent, brilliant) |
| cool(adjective, significant, intelligent, brilliant, sophisticated) |
| cosmopolite |
| crack(adjective, cool, smart, significant, intelligent) |
| cynical(adjective, dissatisfied, disappointed, disheartened, embittered) |
| deliberate(adjective, cool, smart, significant, intelligent) |
| dexterous(smart, shrewd, clever, subtle, artful) |
| diplomatic(sensible, wise, cautious, shrewd, tactful) |
| disappointed(adjective, dissatisfied, disheartened, embittered, disenchanted) |
| discerning(adjective, cool, reasonable, sensible, restrained) |
| discriminating(sensible, wise, cautious, shrewd, tactful) |
| disenthralled(adjective, dissatisfied, disappointed, disheartened, embittered) |
| disentranced(adjective, dissatisfied, disappointed, disheartened, embittered) |