General:
* Interconnectedness
* Integration
* Internationalization
* Transnationalism
* Globalization (yes, sometimes it's the best word!)
Focusing on specific aspects:
* Interdependence (emphasizes mutual reliance)
* Globalism (more political or ideological connotation)
* Worldliness (emphasizes cultural exchange)
* Universalization (suggests spreading ideas and practices globally)
* International trade (focuses on economic aspects)
* Cultural diffusion (focuses on the spread of ideas and customs)
* Convergence (emphasizes similarities across cultures)
The best word to use depends on the context and the specific aspect of globalization you want to highlight.