Academical

Adjective

• (rare) Belonging to the school of Plato; believing in Plato's philosophy; sceptical . [First attested in the late 16th century.]
• Pertaining to a university or other form of higher education. [First attested in the late 16th century.]

Noun

• (plural only) Academic dress, consisting of a cap and gown. [First attested in the early 19th century.]