(collective) The scientific and cultural community engaged in higher education and research, taken as a whole. / Continuous study at higher education institutions; scholarship.

(art) An aesthetic popularized in the 2010s, centered on higher education, writing, the arts, and classic Greek and Gothic architecture, as well as romantic longing and death.

(rare) academic

(historical, obsolete) A follower of Plato. / (obsolete) A member of an academy, university, or college.

plural of academian