| apprised(perceptive, observant, insightful) |
| apt(adjective, smooth, smart, wise, learned) |
| assured(perceptive, observant, insightful) |
| astucious(adjective, smooth, smart, wise, learned) |
| attentive(perceptive, observant, insightful) |
| au courant(expression, perceptive, observant, insightful) |
| awake(adjective, understanding, keen, alert, sensitive) |
| aware(adjective, understanding, keen, alert, sensitive) |
| brainy(adjective, understanding, keen, alert, sensitive) |
| bright(adjective, sharp, sensitive, piercing, astute) |
| brilliant(adjective, sharp, sensitive, piercing, astute) |
| cagey(adjective, smooth, smart, wise, learned) |
| canny(adjective, smooth, smart, wise, learned) |
| certain(perceptive, observant, insightful) |
| cognition |
| cognitional |
| cognitive |
| cognizant(perceptive, observant, insightful) |
| conscious(adjective, understanding, keen, alert, sensitive) |
| conversant(perceptive, observant, insightful) |