| portentous(adjective, importance, valuable, main, notable) |
| purposeful(adjective, importance, valuable, main, notable) |
| relevant(adjective, importance, main, extremely significant) |
| responsible(adjective, importance, valuable, main, notable) |
| significative(adjective, importance, valuable, main, notable) |
| solemn(adjective, importance, valuable, main, notable) |
| heavyweight(adjective, great, informal, extraordinary, important) |
| major-league(adjective, great, excellent, heavy, important) |
| blue-chip(adjective, great, excellent, heavy, important) |
| foremost(adjective, lead, head, master, boss) |
| superior(adjective, lead, head, master, boss) |
| chief(adjective, lead, head, master, boss) |
| high(adjective, lead, head, master, boss) |
| main(adjective, lead, head, master, boss) |
| primary(adjective, lead, head, master, boss) |
| principal(adjective, lead, head, master, boss) |
| prominent(adjective, important, outstanding, large, serious) |
| star(adjective, lead, head, master, boss) |
| big-name(great, important, outstanding, prominent, distinguished) |
| big-time(adjective, great, heavy, outstanding, large) |