\Sport"ful\, a.
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.
   -- {Sport"ful*ly}, adv. -- {Sport"ful*ness}, n.