| grounded(adjective, familiar, knowledgeable, witting, aware) |
| handy at |
| in on(expression, adjective, familiar, knowledgeable, witting) |
| in the know(expression, adjective, idiom, familiar, knowledgeable) |
| informed(adjective, familiar, intelligent, knowledgeable, aware) |
| informed in |
| initiated(adjective, familiar, knowledgeable, informed, experienced) |
| instructed(adjective, familiar, informed, experienced, cultured) |
| intimate |
| intimate with |
| introduced(adjective, familiar, knowledgeable, aware, savvy) |
| kept posted(expression, adjective, familiar, knowledgeable, witting) |
| knowledgeable(adjective, familiar, intelligent, witting, aware) |
| lettered(adjective, familiar, knowledgeable, informed, experienced) |
| literary(adjective, familiar, knowledgeable, informed, experienced) |
| literate(adjective, familiar, knowledgeable, informed, experienced) |
| master of |
| mindful(adjective, familiar, knowledgeable, aware, savvy) |
| no stranger to(expression, adjective, idiom, familiar, knowledgeable) |
| nurtured(adjective, familiar, knowledgeable, informed, experienced) |