academy

noun

• (usually capitalized) The garden where Plato taught.
• (usually capitalized) Plato's philosophical system based on skepticism; Plato's followers.
• An institution for the study of higher learning; a college or a university; typically a private school.
• 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"

• A society of learned people united for the advancement of the arts and sciences, and literature, or some particular art or science.
• The knowledge disseminated in an Academy.
• (with the, without reference to any specific academy) Academia.
• A body of established opinion in a particular field, regarded as authoritative.
• A school directly funded by central government, independent of local control.