See caper in Webster's New World Roget's A-Z Thesaurus II
noun
A mischievous act:
antic, frolic, joke, lark, prank1, trick. (Informal) shenanigan. (Slang) monkeyshine (often used in plural). See good, work
verb
To leap and skip about playfully:
cavort, dance, frisk, frolic, gambol, rollick, romp. See work
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