| perceptive(adjective, understanding, keen, sharp, alert) |
| sagacious(adjective, understanding, keen, sharp, smart) |
| discerning(adjective, understanding, keen, sharp, alert) |
| insightful(adjective, understanding, smooth, keen, sharp) |
| knowing(adjective, understanding, keen, sharp, sensitive) |
| knowledgeable(adjective, understanding, keen, sharp, sensitive) |
| sage(adjective, understanding, smooth, keen, sharp) |
| theological doctrine |
| wise(adjective, understanding, keen, sharp, sensitive) |
| acute(adjective, understanding, smooth, keen, sharp) |
| astute(adjective, understanding, keen, sharp, sensitive) |
| clear-sighted(adjective, sharp, sensitive, wise, piercing) |
| discreet(adjective, understanding, keen, sharp, alert) |
| ear to the ground(expression, adjective, idiom, understanding, keen) |
| heresy |
| incisive(adjective, understanding, keen, sharp, alert) |
| insighted(adjective, understanding, keen, sharp, sensitive) |
| intuitive(adjective, understanding, keen, alert, sensitive) |
| judicious(adjective, understanding, keen, sharp, sensitive) |
| keen(adjective, understanding, alert, sensitive, wise) |