| experienced(adjective, good, ability, smart, familiar) |
| expert(noun, adjective, law, person, smart) |
| seasoned(adjective, ability, smart, familiar, sophisticated) |
| vet(noun, adjective, person, knowledge, ability) |
| skilled(adjective, smart, familiar, suitable, tired) |
| old-timer(noun, person, knowledge, ability, informal) |
| old hand(noun, expression, idiom, person, knowledge) |
| pro(noun, adjective, law, person, smart) |
| proficient(adjective, good, smart, suitable, intelligent) |
| versed(adjective, ability, smart, familiar, sophisticated) |
| master(noun, adjective, adult, mentor, adviser) |
| warhorse(noun, person, expert, war, trouper) |
| old(adjective, ability, smart, familiar, sophisticated) |
| professional(noun, adjective, law, smart, authority) |
| practiced(adjective, ability, smart, familiar, suitable) |
| sophisticated(adjective, familiar, knowledgeable, competent, qualified) |
| wise(adjective, familiar, knowledgeable, skilled, qualified) |
| adept(adjective, good, smart, authority, familiar) |
| competent(adjective, good, smart, familiar, suitable) |
| elder(noun, adjective, person, adult) |