English
expressivist
From expressive + -ist.
A compound of expressive + -ist
Middle French expressif
English expressive
Today it means
adj Pertaining to or advocating expressivism, the doctrine that the primary function of moral sentences and sensation sentences (like "I am in pain") is to express an evaluative attitude, rather than stating a fact
Language periods are conventional ranges, not dates for this word.
Etymograph / expressivist