| adjective | dignified and somber in manner or character and committed to keeping promises “a grave God-fearing man” |
| adjective | characterized by a firm and humorless belief in the validity of your opinions “both sides were deeply in earnest, even passionate” |
| graveness | noun | a manner that is serious and solemn |
| gravity | noun | a manner that is serious and solemn |
| sedateness | noun | a trait of dignified seriousness |
| soberness | noun | a manner that is serious and solemn |
| solemness | noun | a trait of dignified seriousness |
| solemnity | noun | a solemn and dignified feeling |
| earnestness | noun | the trait of being serious; - Robert Rice |
| sincerity | noun | an earnest and sincere feeling |