lightheartedness

About 0.06 uses per million words.

Meaning

1. noun The state of being lighthearted, joyous, cheerful, without a care.
2. noun An amusement or item of a pleasant but inconsequential nature.

Similar words

carefreeness lightsomeness insouciance light-heartedness carefreedom lightfulness levity lightliness cheerfulness joyfulness

Often followed by

and of that in was to which with is