The Collaborative International Dictionary of English v.0.48:
Gamesome \Game"some\ (g[=a]m"s[u^]m), a. Gay; sportive; playful; frolicsome; merry. --Shak. [1913 Webster] Gladness of the gamesome crowd. --Byron. -- Game"some*ly, adv. -- Game"some*ness, n. [1913 Webster]