| ripe(adjective, ready, expert, skilled, competent) |
| sapient(adjective, knowledge, experience, skill, expert) |
| savvy(adjective, keen, smart, bright, informal) |
| slippery(adjective, smart, cunning, shrewd, clever) |
| sophisticated(adjective, cool, fancy, smart, sensible) |
| tactful(adjective, sensitive, careful, thoughtful, discreet) |
| versed(adjective, knowledgeable, skilled, qualified, capable) |
| veteran(adjective, familiar, sophisticated, knowledgeable, competent) |
| virtuous(adjective, tough, effective, adept, effectual) |
| wary(adjective, smart, sensible, cunning, wise) |
| wily(adjective, smart, sensitive, intelligent, cunning) |
| au fait(expression, adjective, idiom, keen, smart) |
| authoritative(adjective, expert) |
| aware(adjective, cool, knowledge, experience, delicate) |
| benevolent |
| brilliant(adjective, cool, keen, smart, bright) |
| consummate(adjective, good, bad, great, complete) |
| cool(adjective, good, great, pleasant, excellent) |
| courteous(adjective, sensitive, discreet, diplomatic) |
| dainty |