| heavyweight(adjective, great, heavy, important) |
| considerable(adjective, heavy, important, significant) |
| determining(important, significant, substantial, serious) |
| material(adjective, heavy, important, significant) |
| salient(adjective, sharp, important, significant) |
| substantial(adjective, heavy, important, significant) |
| chief(adjective, great, heavy, significant) |
| earnest(heavy, significant, substantial, valuable) |
| exceptional(great, heavy, significant, substantial) |
| far-reaching(important, significant, substantial, valuable) |
| front-page(great, heavy, significant, substantial) |
| importunate(adjective, hard, tough, difficult) |
| of moment(expression, important, significant, substantial) |
| of note(expression, significant, substantial, valuable) |
| of substance(expression, significant, substantial, valuable) |
| ponderous(heavy, significant, substantial, valuable) |
| relevant(adjective, significant, substantial, valuable) |
| something(outstanding, significant, substantial, valuable) |
| standout(great, extraordinary, significant, substantial) |
| underlined(heavy, important, substantial, essential) |