creationist|kriːˈeɪʃənɪst| [f. as prec. + -ist.] One who believes in or advocates creationism. 1859Darwin Life & Lett. II. 233 What a joke it would be if I pat you on the back when you attack some immovable creationists.1882Farrar Early Chr. I. 463 The verbal controversy between Creationists..and Traducianists.