| feeling(adjective, understanding, animate, emotional, witting) |
| sentient(adjective, understanding, keen, sensible, certain) |
| acquainted(adjective, understanding, keen, sensible, certain) |
| aesthetic(adjective, understanding, keen, sensible, certain) |
| alert(adjective, understanding, keen, sensible, certain) |
| alive to(expression, adjective, understanding, keen, sensible) |
| apperceptive(adjective, understanding, keen, sensible, certain) |
| apprised(adjective, understanding, keen, sensible, certain) |
| assured(adjective, understanding, keen, sensible, certain) |
| attentive(adjective, understanding, keen, sensible, certain) |
| au courant(expression, adjective, understanding, keen, sensible) |
| awake(adjective, understanding, keen, sensible, certain) |
| aware(adjective, understanding, keen, sensible, certain) |
| certain(adjective, understanding, keen, sensible, alert) |
| cognizant(adjective, understanding, keen, sensible, certain) |
| conscious(adjective, feeling, understanding, keen, sensible) |
| conversant(adjective, understanding, keen, sensible, certain) |
| discerning(adjective, understanding, keen, sensible, certain) |
| felt(adjective, understanding, keen, sensible, certain) |
| hep to(expression, adjective, understanding, keen, sensible) |