| significant(adjective, importance, valuable, main, notable) |
| significative(adjective, importance, valuable, main, notable) |
| sincere(adjective, set, severe, honest, thoughtful) |
| vital(adjective, importance, valuable, main, notable) |
| austere(adjective, characteristic, quiet, severe, serious) |
| calm(adjective, cool, sensible, restrained, sober) |
| considerable(adjective, importance, main, extremely significant) |
| conventional(adjective, noble, grand, stiff, splendid) |
| disconsolate(adjective, sad, sorrow, depression, depress) |
| dour(adjective, sorrow, depress, sadness, emotion) |
| gargantuan(grand, impressive, overwhelming, imposing) |
| liturgical(adjective, traditional, ritual, ceremonial) |
| mournful(adjective, sad, sorrow, depression, depress) |
| official(adjective, proper, strict, traditional, ritual) |
| pious(adjective, humble, divine, piety, deferential) |
| severe(adjective, calm, quiet, set, hard) |
| unsmiling |
| awe-inspiring(adjective, size, impressive, sacred) |
| bleak(adjective, dull, dark, gloomy, melancholy) |
| composed(adjective, calm, quiet, cool, reasonable) |