| old-time(skilled, experienced, seasoned) |
| old-timer(skilled, accomplished, talented) |
| old hand(expression, skilled, accomplished, talented) |
| pertinent(decent, knowledgeable, adequate, qualified, capable) |
| phenom(smart, expert, capable, skillful, meritable) |
| polished(decent, knowledgeable, adequate, skilled, qualified) |
| powerful(keen, smart, intelligent, competent, capable) |
| practical(skilled, experienced, seasoned) |
| prepared(keen, smart, intelligent, competent, capable) |
| professional(adjective, skilled, qualified, skillful, meritable) |
| proper(suitable, adequate, skilled, competent, capable) |
| proved(suitable, adequate, competent, capable, fitted) |
| qualified(keen, smart, suitable, intelligent, decent) |
| quick(smart, expert, skilled, capable, skillful) |
| quick on the trigger(expression, idiom, smart, skillful, nimble) |
| quick on the uptake(expression, idiom, smart, skillful, nimble) |
| quizzed(suitable, adequate, competent, capable, fitted) |
| responsible(keen, smart, intelligent, competent, capable) |
| satisfactory(decent, knowledgeable, adequate, qualified, capable) |
| savvy(keen, smart, intelligent, decent, adequate) |