| fine |
| good at(verb, expression, phrasal verb, tough, skill) |
| graduate(authority, master, specialist, professional) |
| honorable |
| learned(adjective, keen, smart, familiar, intelligent) |
| licensed(adjective, suitable, adequate, skilled, competent) |
| mature(knowledgeable, skilled, qualified) |
| matured(knowledgeable, skilled, qualified) |
| maven(noun, authority, expert, genius, doctor) |
| old(adjective, smart, knowledgeable, practical, expert) |
| old hand(noun, expression, adjective, good, authority) |
| on the ball(expression, adjective, idiom, good, smart) |
| politic(cunning, refined, sly, treacherous, crafty) |
| refined(tactful, diplomatic) |
| sage(noun, adjective, authority, expert, genius) |
| savant(noun, authority, expert, genius, doctor) |
| secure |
| sound |
| suitable(adjective, decent, knowledgeable, adequate, competent) |
| superhero(master, expert, adept, professional) |