Idealist

имя существительное идеалист

Большой англо-русский словарь

Idealist

I. noun 1. a. an adherent of a philosophical theory of idealism b. an artist or author who advocates or practices idealism in art or writing 2. one guided by ideals; especially one that places ideals before practical considerations II. adjective idealistic

Merriam-Webster's Collegiate Dictionary