jocularity

In a morning filled with brotherly love and jocularity over how everyone was getting along so well, no one wanted to offend.
At American Enterprise Institute, NeoCons Say ‘Hello, Dalai’|Eleanor Clift|February 21, 2014|DAILY BEAST
This same frontier jocularity furnishes an explanation for the origin of several of the theories of the derivation of the name.
The Word Hoosier; John Finley|Jacob Piatt Dunn
The dominant "note" sounded in Punch's pages is one of jocularity and good humour.
Mr. Punch's History of Modern England Vol. IV of IV.|Charles L. Graves
Well, they never came back to tell, rejoined Jarrold, with grim jocularity.
The Ocean Wireless Boys and the Lost Liner|Wilbur Lawton

She could see, under his jocularity, his pride and pleasure in her (as he considered) audacity.
The Locusts' Years|Mary Helen Fee
Martin had assumed a marital jocularity on the subject of the Judge.
The Locusts' Years|Mary Helen Fee

Origin of jocularity