Beau monde is a term used to describe the high echelons of society. It is another word for the fashionable elite. It is a French word. Beau in French is a word for good while monde indicates the world or society. It consists of everybody who makes up the coterie of fashion in the society. It is a term for people with sophistication and style in their persona. Beaux mondes is the plural form of beau monde. It is a noun and is pronounced as "boh mond". Bon ton, high society, smart set, haut monde, high life, beautiful people etc are some of the words that are synonymous with beau monde. This term originated in the 18th century i.e. Sometime during 1705 to 1715. The aristocracy, upper class, cultured people constituted the beau monde in a society. They are the crème de la crème of any society.