| aware(adjective, understanding, cool, keen, sharp) |
| cognizant(adjective, understanding, keen, sensible, certain) |
| knowing(adjective, understanding, cool, keen, sharp) |
| on to(expression, adjective, understanding, cool, keen) |
| conscious(adjective, understanding, cool, keen, sharp) |
| hep to(expression, adjective, understanding, cool, keen) |
| in the know(expression, adjective, idiom, cool, sensible) |
| mindful(adjective, understanding, keen, sensible, certain) |
| sensible(adjective, understanding, keen, certain, alert) |
| wise(adjective, understanding, keen, sharp, alert) |
| acquainted(adjective, understanding, keen, sensible, certain) |
| alert(adjective, understanding, keen, sharp, sensible) |
| alive to(expression, adjective, understanding, keen, sensible) |
| appreciative(adjective, alert, familiar, wise, knowledgeable) |
| apprehensive(adjective, cool, sensible, alert, familiar) |
| apprised(adjective, understanding, keen, sensible, certain) |
| attentive(adjective, understanding, keen, sensible, certain) |
| au courant(expression, adjective, understanding, cool, keen) |
| au fait(expression, adjective, familiar, knowledgeable, expert) |
| awake(adjective, understanding, cool, keen, sharp) |