1.a sophisticated person who has travelled in many countries
2.growing or occurring in many parts of the world;
a cosmopolitan herb
3.composed of people from or at home in many parts of the world; especially not provincial in attitudes or interests;
his cosmopolitan benevolence impartially extended to all races and to all creeds- T.B. Macaulay
4.of worldwide scope or applicability;
an issue of cosmopolitan import