| sage(adjective, cool, sound, sharp, smart) |
| shrewd(adjective, sound, smooth, tough, keen) |
| worldly(adjective, cool, significant, familiar, intelligent) |
| worldly-wise(adjective, cool, significant, familiar, life) |
| accustomed(adjective, familiar, knowledgeable, skilled, qualified) |
| cosmopolitan(adjective, sophisticated, refined, practical, polished) |
| deep(adjective, sharp, cunning, shrewd, intimate) |
| dexterous(adjective, keen, smart, sensitive, intelligent) |
| erudite(adjective, knowledge, experience, skill, expert) |
| experient |
| in the know(expression, adjective, idiom, smooth, keen) |
| matured(adjective, familiar, tired, skilled, qualified) |
| multiskilled |
| perfect(adjective, flawless, faultless, textbook, superlative) |
| polished(adjective, superior, familiar, polite, intelligent) |
| privy(adjective, smart, familiar, brilliant, intimate) |
| sapient(adjective, knowledge, experience, skill, expert) |
| suffered(verb, abided) |
| tried(verb, adjective, familiar, suitable, adequate) |
| vet(adjective, smart, familiar, suitable, knowledgeable) |