Frolic

a.	1.	Full of levity; dancing, playing, or frisking about; full of pranks; frolicsome; gay; merry. The frolic wind that breathes the spring. - Milton. The gay, the frolic, and the loud. - Waller.
n.	1.	A wild prank; a flight of levity, or of gayety and mirth. He would be at his frolic once again. - Roscommon.
	2.	A scene of gayety and mirth, as in lively play, or in dancing; a merrymaking.
v. i.	1.	To play wild pranks; to play tricks of levity, mirth, and gayety; to indulge in frolicsome play; to sport. [imp. & p. p. Frolicked ; p. pr. & vb. n. Frolicking.] Hither, come hither, and frolic and play. - Tennyson.

Noun	1.	frolic - 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" Synonyms: gambol, romp, caper, play
Verb	1.	frolic - play boisterously; "The children frolicked in the garden"; "the gamboling lambs in the meadows"; "The toddlers romped in the playroom" Synonyms: frisk, gambol, lark, lark about, rollick, romp, run around, skylark, cavort, disport, sport

Frolic - A Prolog system in Common Lisp. ftp://ftp.cs.utah.edu/pub/frolic.tar.Z.

antic, beam, caper, caracole, carol, carouse, carry on, celebration, chirp, chirrup, clap hands, curvet, cut a dido, cut capers, cut up, dance, delight, dido, disport, escapade, exult, festivity, flounce, fool around, fun and games, gaiety, gambado, gambol, glory, glow, have fun, hell, high jinks, horse around, horseplay, jollification, jollity, joy, jubilate, lark, laugh, lilt, make whoopee, merriment, merrymaking, mirth, monkeyshine, monkeyshines, party, partying, practical joke, prank, radiate cheer, rejoice, revel, revelry, riot, roister, rollick, shenanigan, shenanigans, shines, sing, skip, skip for joy, skylark, skylarking, smile, sparkle, sport, spree, tomfoolery, trick, trip, waggish trick, wassail, whistle