| aware(adjective, understanding, cool, keen, sensible) |
| cognizant(adjective, understanding, keen, sensible, certain) |
| on to(expression, adjective, understanding, cool, keen) |
| wise to(expression, adjective, understanding, cool, keen) |
| alive to(expression, adjective, understanding, keen, sensible) |
| in on(expression, adjective, understanding, cool, keen) |
| in the know(expression, adjective, idiom, cool, sensible) |
| mindful(adjective, understanding, keen, sensible, certain) |
| privy(witting, versant, supraliminal) |
| sensible(adjective, understanding, keen, certain, alert) |
| able to recognize(expression, adjective, idiom, understanding, keen) |
| acquainted(adjective, understanding, keen, sensible, certain) |
| aesthetic(adjective, understanding, keen, sensible, certain) |
| alert(adjective, understanding, keen, sensible, certain) |
| alive(adjective, cool, sensible, familiar, knowledgeable) |
| apperceptive(adjective, understanding, keen, sensible, certain) |
| appreciative |
| apprehensive(adjective, cool, sensible, familiar, knowledgeable) |
| apprised(adjective, understanding, keen, sensible, certain) |
| apprised of |