Synonyms of sincerity

1. earnestness, seriousness, sincerity, gravity, solemnity: usage: an earnest and sincere feeling
2. sincerity, truthfulness: usage: the quality of being open and truthful; not deceitful or hypocritical; "his sincerity inspired belief"; "they demanded some proof of my sincerity"
3. sincerity, unassumingness, naturalness: usage: a quality of naturalness and simplicity; "the simple sincerity of folk songs"
4. seriousness, earnestness, serious-mindedness, sincerity, trait: usage: the trait of being serious; "a lack of solemnity is not necessarily a lack of seriousness"- Robert Rice