Jocularity
/ˌdʒɑːkjəˈlærəti/
Definition 1 of 1
Pro Tip 1/3Conversational Tone
Use 'jocularity' when describing light-hearted, playful conversation that makes people laugh. 
His jocularity was the highlight of the dinner party.
Pro Tip 2/3Positive Atmosphere
Apply 'jocularity' to situations where the mood is cheerful and everyone is in good spirits. 
The family reunion was full of jocularity.
Pro Tip 3/3Misplaced Humor
Avoid using 'jocularity' in serious or formal contexts where humor may be inappropriate. 
Despite the somber meeting, he couldn't suppress his jocularity.