| heedful(adjective, alert, familiar, careful, wise) |
| in the know(expression, adjective, idiom, cool, sensible) |
| in the picture(expression, adjective, idiom, sensible, alert) |
| informed(adjective, understanding, cool, sensible, alert) |
| into(adjective, smooth, smart, alert, familiar) |
| know the score(expression, adjective, idiom, alert, familiar) |
| knowing(adjective, understanding, cool, keen, sharp) |
| knowledgeable(adjective, understanding, cool, keen, sharp) |
| mindful(adjective, understanding, alert, familiar, wise) |
| observant(adjective, understanding, cool, keen, sharp) |
| on the beam(expression, adjective, idiom, smart, sensible) |
| on to(expression, adjective, understanding, cool, sensible) |
| plugged in(expression, adjective, cool, sensible, alert) |
| receptive(adjective, understanding, keen, friendly, fine) |
| responsive(adjective, understanding, keen, sharp, friendly) |
| savvy(adjective, understanding, cool, smooth, keen) |
| sensible(adjective, understanding, smooth, keen, fine) |
| sentient(adjective, understanding, keen, fine, sensible) |
| sharp(adjective, understanding, smooth, keen, smart) |
| up on(expression, adjective, cool, sensible, alert) |