playfulness (n.)
- animation
- devilment
- devilry
- deviltry
- elan
- elfishness
- esprit
- exuberance
- flippancy
- foolishness
- friskiness
- frivolity
- frolicsomeness
- gaiety
- gayness
- gusto
- heartiness
- impishness
- levity
- life
- liveliness
- merriment
- mischief
- mischievousness
- prankishness
- puckishness
- roguery
- roguishness
- skittishness
- spirit
- spiritedness
- spirits
- sportiveness
- sprightliness
- trickery
- trickiness
- verve
- vigor
- vim
- vitality
- vivacity
- waggery
- waggishness
- zest
- zestfulness
- zip