ESCAPADE
escapade, lark
(noun) any carefree episode
adventure, escapade, risky venture, dangerous undertaking
(noun) a wild and exciting undertaking (not necessarily lawful)
Source: WordNet® 3.1
Etymology
Noun
escapade (plural escapades)
A daring or adventurous act; an undertaking which goes against convention.
Source: Wiktionary
Es`ca*pade", n. Etym: [F., fr. Sp. escapada escape, fr. escapar to
escape; or F., fr. It. scappata escape, escapade, fr. scappare to
escape. see Escape.]
1. The fling of a horse, or ordinary kicking back of his heels; a
gambol.
2. Act by which one breaks loose from the rules of propriety or good
sense; a freak; a prank. Carlyle.
Source: Webster’s Unabridged Dictionary 1913 Edition