| hep(adjective, familiar, knowledgeable, skilled, experienced) |
| in on(expression, adjective, understanding, cool, keen) |
| in the picture(expression, idiom, sensible, alert, familiar) |
| into(adjective, alert, familiar, wise, knowledgeable) |
| latest(adjective, cool, present, unusual, strange) |
| mod(adjective, cool, present, knowledge, new) |
| modern(adjective, present, knowledge, unusual, strange) |
| newfangled(adjective, present, unusual, strange, new) |
| now(adjective, cool, present, unusual, strange) |
| on the beam(expression, idiom, sensible, alert, familiar) |
| on to(expression, adjective, understanding, cool, keen) |
| perceptive(adjective, understanding, cool, sensible, alert) |
| plugged in(expression, adjective, cool, sensible, alert) |
| primed(knowledgeable, aware, informed, learned, well-informed) |
| privy(adjective, familiar, informed, learned, educated) |
| savvy(adjective, understanding, cool, sensible, alert) |
| state-of-the-art(adjective, present, unusual, strange, new) |
| topical(adjective, present, unusual, strange, new) |
| trained(competent, experienced, proficient) |
| tuned in(expression, adjective, understanding, cool, sensible) |