(3 syl.). French. Means literally an escape [from restraint]; hence a spree, lark, or prank. (Spanish, escapar, escapada.)
“His second escapade was made for the purpose of visiting the field of Rullion Green.” —Scott: Guy Mannering, xxxvi.
Source: Dictionary of Phrase and Fable, E. Cobham Brewer, 1894
More on Escapade from Infoplease: