What is a fashionable assembly, or large evening party. "At routs and dances." Landor. To put to rout, to defeat and throw into confusion; to overthrow and put to flight called?

rout — A fashionable assembly, or large evening party. "At routs and dances." Landor. To put to rout, to defeat and throw into confusion; to overthrow and put to flight. (Webster's 1913.)

Sources