- earnestness, seriousness, sincerity - an earnest and sincere feeling
--1 is a kind of gravity, solemnity
- sincerity - the quality of being open and truthful; not deceitful or hypocritical; "his sincerity inspired belief"; "they demanded some proof of my sincerity"
--2 is a kind of truthfulness
Antonyms: insincerity, falseness
--2 has particulars: heartiness, wholeheartedness; singleness, straightforwardness
- sincerity, unassumingness - a quality of naturalness and simplicity; "the simple sincerity of folk songs"
--3 is a kind of naturalness
- seriousness, earnestness, serious-mindedness, sincerity - the trait of being serious; "a lack of solemnity is not necessarily a lack of seriousness"- Robert Rice
--4 is a kind of trait
--4 has particulars:
committedness, commitment; graveness, gravity, sobriety, soberness, somberness; sedateness, staidness, solemnity, solemness