Merriam-Webster's Collegiate® Dictionary, 11th Edition
COSMOPOLITAN
I. noun
Date: circa 1645
cosmopolite ,
II. adjective
Date: 1798
having worldwide rather than limited or provincial scope or bearing, having wide international sophistication ; worldly , composed of persons, constituents, or elements from all or many parts of the world, found in most parts of the world and under varied ecological conditions , cosmopolitanism noun