| challenging(adjective, importance, valuable, main, notable) |
| constitutive(adjective, importance, valuable, main, notable) |
| disastrous(adjective, awful, fear, black, horror) |
| donnish(adjective, importance, valuable, main, notable) |
| essential(adjective, importance, valuable, main, notable) |
| far reaching(adjective, importance, valuable, main, notable) |
| grandiloquent |
| great(adjective, importance, valuable, main, notable) |
| high-up(adjective, importance, valuable, main, notable) |
| ill-fated(adjective, exciting, foreboding, ominous) |
| ill-omened(adjective, awful, fear, black, horror) |
| influential(adjective, importance, valuable, main, notable) |
| key(adjective, importance, valuable, main, notable) |
| key-note(adjective, importance, valuable, main, notable) |
| newsworthy(adjective, importance, valuable, main, notable) |
| outstanding(adjective, importance, valuable, main, notable) |
| pretentious(adjective, importance, main, extremely significant) |
| prophetic(adjective, exciting, foreboding, ominous) |
| purposeful(adjective, importance, valuable, main, notable) |
| responsible(adjective, importance, valuable, main, notable) |