| paramount(adjective, important, outstanding, significant, prominent) |
| peerless(adjective, great, excellent, brilliant, grand) |
| ponderous(adjective, big, significant, substantial, valuable) |
| potent(adjective, solid, outstanding, effective, eminent) |
| powerful(adjective, great, outstanding, grand, eminent) |
| pre-eminent(adjective, renowned, esteemed, meritable, noted) |
| preeminent(adjective, great, outstanding, grand, prominent) |
| pressing(adjective, big, significant, substantial, valuable) |
| prestigious(adjective, important, outstanding, prominent, distinguished) |
| primary(adjective, big, significant, substantial, valuable) |
| principal(adjective, big, significant, substantial, valuable) |
| prominent(adjective, great, outstanding, grand, distinguished) |
| recognized(adjective, great, excellent, brilliant, grand) |
| relevant(adjective, big, significant, substantial, valuable) |
| remarkable(adjective, great, outstanding, grand, eminent) |
| reputable(adjective, excellent, brilliant, well-known, renowned) |
| salient(adjective, big, significant, substantial, valuable) |
| seminal(adjective, solid, outstanding, effective, eminent) |
| serious(adjective, big, significant, substantial, valuable) |
| signal(adjective, great, outstanding, grand, eminent) |