Academy

noun

1. (usually capitalized) The garden where Plato taught.
2. (usually capitalized) Plato's philosophical system based on skepticism; Plato's followers.
3. An institution for the study of higher learning; a college or a university; typically a private school.
4. A school or place of training in which some special art is taught.

   "the military academy at West Point; a riding academy; the Academy of Music.; a music academy; a language academy"

5. A society of learned people united for the advancement of the arts and sciences, and literature, or some particular art or science.