| material(adjective, significant, substantial, valuable) |
| mattering much(expression, adjective, significant, substantial) |
| meaningful(adjective, significant, substantial, valuable) |
| momentous(adjective, significant, substantial, valuable) |
| necessary(adjective, significant, substantial, valuable) |
| of moment(expression, adjective, significant, substantial) |
| of substance(expression, adjective, significant, substantial) |
| ponderous(adjective, significant, substantial, valuable) |
| pressing(adjective, significant, substantial, valuable) |
| primary(adjective, significant, substantial, valuable) |
| principal(adjective, significant, substantial, valuable) |
| relevant(adjective, significant, substantial, valuable) |
| salient(adjective, significant, substantial, valuable) |
| serious(adjective, significant, substantial, valuable) |
| significant(adjective, substantial, valuable, vital) |
| something(adjective, significant, substantial, valuable) |
| standout(adjective, significant, substantial, valuable) |
| substantial(adjective, significant, valuable, vital) |
| urgent(adjective, significant, substantial, valuable) |
| valuable(adjective, significant, substantial, vital) |