| fab(adjective, important, significant, substantial) |
| far-reaching(significant, substantial, valuable, vital) |
| front-page(adjective, significant, substantial, valuable) |
| grave(adjective, significant, substantial, valuable) |
| heavy(adjective, outstanding, significant, substantial) |
| imperative(significant, substantial, valuable, vital) |
| importunate(significant, substantial, valuable, vital) |
| influential(adjective, important, significant, substantial) |
| large(significant, substantial, valuable, vital) |
| marked(significant, substantial, large, valuable) |
| mattering much(expression, adjective, significant, substantial) |
| momentous(adjective, important, significant, substantial) |
| mondo(adjective, important, significant, substantial) |
| necessary(significant, substantial, valuable, vital) |
| of moment(expression, adjective, significant, substantial) |
| of note(expression, adjective, significant, substantial) |
| of substance(expression, adjective, significant, substantial) |
| pressing(significant, substantial, valuable, vital) |
| primary(significant, substantial, valuable, vital) |
| principal(significant, substantial, valuable, vital) |