| material(significant, substantial, valuable, vital) |
| mattering much(expression, significant, substantial, valuable) |
| meaningful(outstanding, significant, substantial, valuable) |
| necessary(significant, substantial, valuable, vital) |
| of moment(expression, significant, substantial, valuable) |
| of note(expression, significant, substantial, valuable) |
| of substance(expression, significant, substantial, valuable) |
| ponderous(significant, substantial, valuable, vital) |
| pressing(significant, substantial, valuable, vital) |
| primary(significant, substantial, valuable, vital) |
| principal(adjective, bad, great, excellent) |
| relevant(significant, substantial, valuable, vital) |
| salient(adjective, great, wonderful, exceptional) |
| serious(great, extraordinary, significant, substantial) |
| signal(adjective, great, extraordinary, important) |
| significant(outstanding, substantial, valuable, vital) |
| something(outstanding, significant, substantial, valuable) |
| urgent(significant, substantial, valuable, vital) |
| vital(significant, substantial, valuable, imperative) |
| weighty(significant, substantial, valuable, vital) |