| weighty(adjective, good, clear, strong, harsh) |
| important(adjective, good, strong, importance, big) |
| momentous(adjective, good, clear, importance, big) |
| significant(adjective, good, clear, importance, big) |
| grave(adjective, harsh, importance, big, heavy) |
| substantial(adjective, importance, big, heavy, important) |
| serious(adjective, good, harsh, importance, big) |
| material(adjective, good, importance, big, heavy) |
| big(adjective, good, importance, heavy, important) |
| considerable(adjective, importance, big, heavy, important) |
| great(adjective, importance, valuable, main, notable) |
| outstanding(adjective, importance, valuable, main, notable) |
| fateful(adjective, importance, valuable, main, notable) |
| influential(adjective, good, clear, strong, importance) |
| meaningful(adjective, good, clear, importance, big) |
| notable(adjective, importance, important, main, extremely significant) |
| essential(adjective, importance, big, important, significant) |
| portentous(adjective, importance, valuable, main, notable) |
| historic(adjective, importance, important, main, remarkable) |
| impressive(adjective, importance, powerful, valuable, main) |