| scalding(adjective, change, importance, situation, crisis) |
| shine(adjective, change, importance, situation, crisis) |
| strong(adjective, change, importance, situation, crisis) |
| tipping point(expression, change, importance, situation, crisis) |
| transformational event(expression, change, importance, situation, crisis) |
| unfailing(adjective, change, importance, situation, crisis) |
| unfaltering(adjective, change, importance, situation, crisis) |
| unflagging(adjective, change, importance, situation, crisis) |
| unshakeable(adjective, change, importance, situation, crisis) |
| unswerving(adjective, change, importance, situation, crisis) |
| untiring(adjective, change, importance, situation, crisis) |
| watershed episode(expression, change, importance, situation, crisis) |
| watershed moment(expression, change, importance, situation, crisis) |
| zero hour(expression, change, importance, situation, crisis) |