eclectic
Meaning: consisting of a diverse variety of elements
Usage: That bar attracts an eclectic crowd: lawyers, artists, circus clowns, and investment bankers.
myriad
Meaning: consisting of a very great number
Usage: It was difficult to decide what to do Friday night because the city presented us with myriad possibilities for fun.
medley
Meaning: a mixture of differing things
Usage: Susannah’s wardrobe contained an astonishing medley of colors, from olive green to fluorescent pink.