| sharp(adjective, understanding, keen, sensitive, piercing) |
| sophic(adjective, understanding, keen, sharp, alert) |
| tuned in(expression, adjective, understanding, keen, sharp) |
| wise(adjective, understanding, keen, sharp, sensitive) |
| wise to(expression, adjective, understanding, keen, sensitive) |
| witted |
| able to recognize(expression, idiom, perceptive, observant, insightful) |
| acquainted(perceptive, observant, insightful) |
| aesthetic(perceptive, observant, insightful) |
| alert(adjective, understanding, keen, sensitive, perceptive) |
| alive to(expression, perceptive, observant, insightful) |
| apperceptive(perceptive, observant, insightful) |
| apprised(perceptive, observant, insightful) |
| assured(perceptive, observant, insightful) |
| 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) |