| important(adjective, good, bad, strong, great) |
| consequential(adjective, good, clear, importance) |
| significant(adjective, good, clear, strong, great) |
| weighty(adjective, good, clear, strong, tough) |
| serious(adjective, good, great, severe, extraordinary) |
| crucial(adjective, great, tough, severe, extraordinary) |
| vital(adjective, severe, importance, heavy) |
| essential(adjective, feature, state, characteristic, importance) |
| substantial(adjective, strong, importance, heavy) |
| critical(adjective, great, severe, extraordinary) |
| material(noun, adjective, good, importance) |
| considerable(adjective, importance, heavy, important) |
| noteworthy(adjective, great, solid, extraordinary) |
| meaningful(adjective, good, clear, strong, great) |
| signal(adjective, great, solid, extraordinary, importance) |
| decisive(adjective, great, extraordinary, important) |
| chief(adjective, bad, great, excellent, superior) |
| principal(adjective, good, bad, great, excellent) |
| relevant(adjective, clear, importance, significant) |
| urgent(adjective, clear, tough, severe) |