sincerity
noun
an earnest and sincere feeling
the quality of being open and truthful; not deceitful or hypocritical
“his sincerity inspired belief”
“they demanded some proof of my sincerity”
Oppositesinsinceritya quality of naturalness and simplicity
“the simple sincerity of folk songs”
Synonymsunassumingnessthe trait of being serious
“a lack of solemnity is not necessarily a lack of seriousness”
Source: WordNet 3.1, Princeton University
