| nonconformist |
| penetrating(adjective, understanding, sharp, sensitive, perceptive) |
| penetrative(adjective, understanding, keen, alert, sensitive) |
| percipient(adjective, understanding, keen, sharp, sensitive) |
| perspicacious(adjective, understanding, smooth, keen, sharp) |
| rational(adjective, understanding, smooth, keen, sharp) |
| savvy(adjective, understanding, keen, alert, sensitive) |
| sensitive(adjective, understanding, keen, sharp, piercing) |
| sharp(adjective, understanding, keen, sensitive, wise) |
| shrewd(adjective, sharp, sensitive, wise, piercing) |
| sophic(adjective, understanding, smooth, keen, sharp) |
| tuned in(expression, adjective, understanding, keen, sharp) |
| wise to(expression, adjective, understanding, keen, sensitive) |
| 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) |
| apocryphal |
| apperceptive(perceptive, observant, insightful) |