The Collaborative International Dictionary
Sportfulness
Sportful \Sport"ful\ (-f[usd]l), a.
-
Full of sport; merry; frolicsome; full of jesting; indulging in mirth or play; playful; wanton; as, a sportful companion.
Down he alights among the sportful herd.
--Milton. -
Done in jest, or for mere play; sportive.
They are no sportful productions of the soil.
--Bentley. [1913 Webster] -- Sport"ful*ly, adv. -- Sport"ful*ness, n.
Wiktionary
sportfulness
n. playfulness