Original sentence: Although no scientist would describe themselves so, an evolutionist is a proponent of such a theory, as commonly used by those individuals who support the Creationists.The terms Evolutionism and Evolutionist, as defined by the OED imply a faith in a dogma (similar to a religious one) in the science of Evolution.This implication is considered pejorative by scientists and is used oftentimes by Creationists to make Evolution and Creationism equal in a philosophical debate
Edited sentence: An evolutionist is a proponent of such a theory