What is Cosmopolitan ?
Cosmopolitan is (adj) 1. made up of people from different parts of the world Berlin is a very cosmopolitan city. 2. comfortable and confident in different cities or with people of different nationalities Her cosmopolitan upbringing has made her a very interesting person. Born in Canada, brought up in Hong Kong and in England, by the age of ten he was more cosmopolitan than other children.
source: Easier English, Student Dictionary Upper Intermediate Level