1. a secondary school (usually private)

Definition categories: group, gymnasium, lycee, lyceum

2. an institution for the advancement of art or science or literature

Definition categories: group, establishment, institution

3. a school for special training

Definition categories: group, school

4. a learned establishment for the advancement of knowledge

Definition categories: man–made, establishment

Sentences with academy as a noun:

- the military academy at West Point; a riding academy; the Academy of Music.

- the French Academy; the American Academy of Arts and Sciences; academies of literature and philology.