1) Frolicsome 2) Merry 
• (a.) Done in jest, or for mere play; sportive. • (a.) Full of sport; merry; frolicsome; full of jesting; indulging in mirth or play; playful; wanton; as, a sportful companion.
Sport'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. «...