having or revealing keen insight and good judgment | marked by a tendency to find and call attention to errors and flaws |
able to make or detect effects of great subtlety; sensitive | characterized by careful evaluation and judgment |
quick to understand | being in or verging on a state of crisis or emergency |
unobtrusively perceptive and sympathetic | at or of a point at which a property or phenomenon suffers an abrupt change especially having enough mass to sustain a chain reaction |
| of or involving or characteristic of critics or criticism |
| forming or having the nature of a turning point or crisis |
| urgently needed; absolutely necessary |