1. (noun) an earnest and sincere feeling

• earnestness
• seriousness

2. (noun) a quality of naturalness and simplicity

• unassumingness

3. (noun) the trait of being serious

• earnestness
• serious-mindedness
• seriousness

1. (noun) the quality of being open and truthful; not deceitful or hypocritical

• heartiness
• wholeheartedness
• singleness
• straightforwardness

2. (noun) the trait of being serious

• commitment
• committedness
• graveness
• gravity
• soberness
• sobriety
• somberness
• sombreness
• sedateness
• solemness
• solemnity
• staidness

1. (noun) an earnest and sincere feeling

• gravity
• solemnity

2. (noun) the quality of being open and truthful; not deceitful or hypocritical

• truthfulness

3. (noun) a quality of naturalness and simplicity

• naturalness

4. (noun) the trait of being serious

• trait

1. (noun) an earnest and sincere feeling

• dear
• devout
• earnest
• heartfelt
• earnest
• sincere
• solemn

2. (noun) the quality of being open and truthful; not deceitful or hypocritical

• sincere

3. (noun) a quality of naturalness and simplicity

• retiring
• unassuming

4. (noun) the trait of being serious

• businesslike
• earnest
• earnest
• earnest
• sincere
• sincere
• solemn
• solemn
• serious
• serious
• serious
• sober
• unplayful
• serious-minded
• thoughtful

1. (noun) the quality of being open and truthful; not deceitful or hypocritical

• falseness
• hollowness
• insincerity

2. (noun) the trait of being serious

• frivolity
• frivolousness