Noun

• S: (n) play, frolic, romp, gambol, caper (gay or light-hearted recreational activity for diversion or amusement) "it was all done in play"; "their frolic in the surf threatened to become ugly"

Verb

• S: (v) frolic, lark, rollick, skylark, disport, sport, cavort, gambol, frisk, romp, run around, lark about (play boisterously) "The children frolicked in the garden"; "the gamboling lambs in the meadows"; "The toddlers romped in the playroom"