I don't want to cancel community terms, but I do want to introduce new ones.
Fediverse a portmanteau of “federation” and “universe”. It's the Federated Universe of interoperable communities.
I feel strongly about being clear with language. Avoiding technobabble.
Hence, let me introduce some other words to describe this system. An Interoperable Social Cloud. The Social Cloud. Joining the Social Cloud, with your own self-sufficient self-hosted community joining a larger standards-based community.