geofictionist

From geofiction +‎ -ist.

geofictionist (plural geofictionists)

1. (very rare) One who engages in geofiction.
   • 2006 April 14, “Right-to-left using fictional script”, in microsoft.public.office.misc‎ (Usenet):

     Hi, I am a geofictionist, meaning I create fictional planets. I recently created a really nice looking right-to-left font to represent the language spoken on my planet, and I'd like to be able to type it in right-to-left in Word.

   • 2012 October 22, piroclasto, Twitter‎:

     Geofictionist, PhD

   • 2021 May 18, Peter C. Hayward, “All-That-Is: Introduction and Writing In-Universe”, in All-That-Is Wiki‎:

     I've created hundreds of characters and locations, written dozens of plots and worked on at least a handful of games for it - I'm a geofictionist, so I don't let it bother me that very little has actually been finished.