| hip(adjective, cool, pleasant, moderate, appropriate) |
| with it(expression, adjective, sensible, alert, familiar) |
| acquainted(adjective, sensible, alert, familiar, wise) |
| alive(adjective, sensible, alert, familiar, wise) |
| apprehensive(adjective, sensible, alert, familiar, wise) |
| au courant(expression, adjective, sensible, alert, familiar) |
| awake(adjective, sensible, alert, familiar, wise) |
| conscious(adjective, sensible, alert, familiar, wise) |
| cool(adjective, pleasant, moderate, appropriate, swell) |
| familiar(adjective, sensible, alert, wise, knowledgeable) |
| go-go(adjective, alert, familiar, wise, knowledgeable) |
| groovy(adjective, alert, familiar, wise, knowledgeable) |
| grounded(adjective, sensible, alert, familiar, wise) |
| hep(cool, pleasant, fair, big, agreeable) |
| in the know(expression, adjective, idiom, sensible, alert) |
| in the picture(expression, adjective, idiom, sensible, alert) |
| into(adjective, alert, familiar, wise, knowledgeable) |
| knowing(adjective, sensible, alert, familiar, wise) |
| on the ball(expression, idiom, fair, agreeable, proper) |
| on to(expression, adjective, sensible, alert, familiar) |