that would be General Semantics and Science Fiction

I started from here by chance https://www.lesswrong.com/posts/qc7P2NwfxQMC3hdgm/rationalism-before-the-sequences

“SF author Greg Bear probably closed the book on attempts to define science fiction as a genre in 1994 when he said “the branch of fantastic literature which affirms the rational knowability of the universe””

and follows some stories on GS and SF

General Semantics, a rationalist society https://www.generalsemantics.org/

“THE GENERAL SEMANTICS AND SCIENCE FICTION
OF ROBERT HEINLEIN AND A . E . VAN VOGT*” http://www.generalsemantics.org/wp-content/uploads/2011/05/articles/gsb/gsb41-drake.pdf

“Students’ critiques of General Semantics seems to constantly include the
following : (1) It’s nice but people can’t or don’t live that way : and, (2) How can
General Semantics be used in the ‘real’ world outside of the classroom? ”

building worlds, I guess, I should read on, Heinlein and van Vogt both attended GS groups

GENERAL SEMANTICS AS SOURCE MATERIAL IN THE WORKS OF ROBERT A. HEINLEIN https://www.jstor.org/stable/42579098?seq=1