| perceptive(adjective, cool, sharp, smart, sensible) |
| plugged in(expression, adjective, cool, sensible, alert) |
| posted(knowledgeable, aware, informed, learned, well-informed) |
| primed(adjective, set, ready, knowledgeable, qualified) |
| proficient in |
| savvy(adjective, cool, sharp, smart, sensible) |
| sensible(adjective, sharp, smart, alert, familiar) |
| sentient(adjective, sensible, alert, familiar, wise) |
| sewed-up(adjective, set, ready, qualified, willing) |
| skilled(competent, experienced, proficient) |
| skilled in |
| trained(competent, experienced, proficient) |
| tuned in(expression, adjective, cool, sensible, alert) |
| up(adjective, set, ready, familiar, knowledgeable) |
| up-to-date(knowledgeable, current, aware, informed, learned) |
| versant(adjective, knowledge, familiar, knowledgeable, competent) |
| well-read(knowledgeable, aware, informed, learned, well-informed) |
| well-versed(knowledgeable, conversant) |
| wise(adjective, sharp, smart, alert, familiar) |
| wise to(expression, adjective, cool, sensible, alert) |