Cheerfulness
Part of speech: noun
Definition: The state of being cheerful; joy.
Example sentence: I think that is a better thing than thanksgiving: thanks-living. How is this to be done? By a general cheerfulness of manner, by an obedience to the command of Him by whose mercy we live, by a perpetual, constant delighting of ourselves in the Lord, and by a submission of our desires to His will.
Blitheness
Part of speech: noun
Definition: The characteristic of being blithe.