As nouns the difference between simulationism and simulationist
is that simulationism is an art movement of the 1980s, somewhat akin to pop art while simulationist is an artist involved in the simulationism art movement.
simulationism
English
Noun
(-)
An art movement of the 1980s, somewhat akin to pop art. simulationist
English
Noun
(
en noun)
An artist involved in the simulationism art movement.
One who designs or uses a simulation.