| nice(good, well-mannered, well-behaved) |
| savvy(adjective, keen, smart, familiar, intelligent) |
| skilled(adjective, keen, smart, familiar, suitable) |
| smart(adjective, keen, familiar, intelligent, competent) |
| trained(adjective, keen, smart, suitable, intelligent) |
| versed(adjective, adverb, familiar, knowledgeable, skilled) |
| accomplished(adjective, keen, smart, suitable, intelligent) |
| adept(adjective, suitable, adequate, skilled, competent) |
| cognizant(adjective, familiar, knowledgeable, current, skilled) |
| de rigueur(expression, adjective, good, right, civilized) |
| decorous(adjective, good, correct, appropriate, suitable) |
| efficient(adjective, keen, smart, intelligent, decent) |
| good(correct, appropriate, suitable, decent, adequate) |
| hip(adjective, familiar, knowledgeable, current, skilled) |
| in the know(expression, adjective, idiom, familiar, knowledgeable) |
| intelligent(adjective, keen, smart, familiar, skilled) |
| on the ball(expression, adjective, idiom, familiar, decent) |
| proper(adjective, good, correct, right, appropriate) |
| sage(adjective, familiar, informed, well-informed) |
| up(adjective, adverb, good, familiar, intelligent) |