Altive

From Pluralpedia, the collaborative plurality dictionary
altive (n.)
Applies tosourced headmates
CoinerLaurelindórenan Lindelorendor

Altive is a term for (meaningfully, whatever "meaningfully" means for the person in question) "AU"/alternate universe introjects.

The term can also be used as alt-fictive, alt-factive, alt-fucktive/faitive or alt-(any -tive term).