lusus

Etymology
From the perfect passive participle of.

Participle

 * 1) played (a game or sport), having been played.
 * 2) practiced, having been practiced.
 * 3) mocked, mimicked, having been mocked.
 * 4) teased, ridiculed, having been teased.
 * 5) deceived, tricked, having been deceived.

Noun

 * 1) a playing, play, sport, game
 * 2) toying, dalliance
 * 3) jest, mockery, fun
 * 1) jest, mockery, fun