| on top of(expression, idiom, knowledgeable, aware, informed) |
| perceptive(familiar, informed, well-informed) |
| plugged in(expression, familiar, informed, well-informed) |
| posted(familiar, knowledgeable, aware, informed, well-informed) |
| prepared(aware, well-informed) |
| prepped(aware, well-informed) |
| prescient(familiar, informed, well-informed) |
| primed(knowledgeable, aware, informed, well-informed, conversant) |
| privy(familiar, informed, well-informed) |
| qualified(aware, well-informed) |
| quick-witted(familiar, informed, well-informed) |
| ready(aware, well-informed) |
| reliable(knowledgeable, aware, informed, well-informed, conversant) |
| sagacious(familiar, informed, well-informed) |
| sage(familiar, informed, well-informed) |
| savvy(familiar, knowledgeable, aware, informed, well-informed) |
| scholarly(familiar, informed, well-informed) |
| sensible(familiar, informed, well-informed) |
| sharp(familiar, informed, well-informed) |
| smart(familiar, informed, well-informed) |