What is a concrete word describing belonging?

There isn't a single concrete word that perfectly captures the abstract feeling of "belonging". It's a complex emotion with many facets, and different words evoke different aspects of it.

However, here are some concrete words that can be used to describe aspects of belonging:

* Membership: This word emphasizes the act of being part of a group or organization.

* Inclusion: This word highlights the feeling of being accepted and valued.

* Connection: This word focuses on the feeling of being linked to others.

* Community: This word emphasizes the sense of shared identity and purpose.

* Home: This word implies a feeling of comfort, security, and acceptance.

Ultimately, the best word to use will depend on the specific context and the nuance you want to convey.