Cheerfulness is a related term of vivacity.
As nouns the difference between cheerfulness and vivacity
is that cheerfulness is the state of being cheerful; joy while vivacity is the state of being vivacious.
cheerfulness
English
Noun
(-)
The state of being cheerful; joy.
vivacity
English
Noun
(vivacities)
The state of being vivacious.
Synonyms
* vivaciousness
Anagrams
*