| appreciative(adjective, familiar, informed, learned, educated) |
| apprised(adjective, familiar, knowledgeable, aware, informed) |
| appropriate(good, correct, decent, knowledgeable, adequate) |
| apt(adjective, good, correct, appropriate, skilled) |
| artful(keen, smart, intelligent, competent, capable) |
| at home with(expression, adjective, idiom, familiar, knowledgeable) |
| au fond |
| basically |
| being a pistol(expression, idiom, decent, adequate, qualified) |
| being able |
| brainy(adjective, familiar, informed, well-informed) |
| briefed(knowledgeable, aware, informed, learned, well-informed) |
| bright(adjective, familiar, competent, informed, capable) |
| brilliant(keen, smart, familiar, intelligent, competent) |
| canny |
| cognizant of(expression, adjective, familiar, knowledgeable, savvy) |
| complete(good, correct, appropriate, decent, adequate) |
| comprehending(adjective, familiar, knowledgeable, skilled, aware) |
| conscious(adjective, familiar, knowledgeable, skilled, aware) |
| cool(adjective, good, great, familiar, knowledgeable) |