a. 1. Full of sport; merry; frolicsome; full of jesting; indulging in mirth or play; playful; wanton; as, a sportful companion. [ 1913 Webster ]
Down he alights among the sportful herd. Milton. [ 1913 Webster ]
2. Done in jest, or for mere play; sportive. [ 1913 Webster ]
They are no sportful productions of the soil. Bentley. [ 1913 Webster ]
-- Sport"ful*ly, adv. -- Sport"ful*ness, n. [ 1913 Webster ]