1. The belief that all people belong to a single community based on shared humanity, regardless of nationality, culture, or location.
Usage: philosophical and political concept
2. The quality of being familiar with and at ease in many different countries and cultures; worldliness.
Usage: cultural and social sense

Examples

• Her cosmopolitanism was evident in her fluency in five languages and her comfort traveling across continents.
• The philosopher argued for cosmopolitanism as a solution to international conflict.
• The city's cosmopolitanism attracted artists and intellectuals from around the world.
• He rejected narrow nationalism in favor of cosmopolitanism and global cooperation.
• The restaurant's menu reflected the chef's cosmopolitanism, blending cuisines from Asia, Europe, and Africa.
• Cosmopolitanism emphasizes our common humanity over national boundaries.