Webster's Revised Unabridged Dictionary · 1913

Sportful

Sportful (-ful) , adjective

1.
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
2.
Done in jest, or for mere play; sportive.
They are no sportful productions of the soil. — Bentley