Definition of affectationist in English:
affectationist
noun ˌafəkˈteɪʃ(ə)nɪstˌafɛkˈteɪʃ(ə)nɪst
A person who indulges in affectation or artificiality.
Origin
Late 19th century; earliest use found in Fitzedward Hall (1825–1901), oriental scholar and philologist. From affectation + -ist.