plato(n = noun.person) - ancient Athenian philosopher; pupil of Socrates; teacher of Aristotle (428-347 BC);
is a kind of philosopher
is a member of athens, athinai, capital of greece, greek capital
Derived form adjective platonic₁

1.  academy(n = noun.group) - a secondary school (usually private);
is a kind of gymnasium, lycee, lyceum, middle school, secondary school
Derived forms noun academician₃, noun academician₂

2.  academy(n = noun.group) honorary society - an institution for the advancement of art or science or literature;
is a kind of establishment, institution
has particulars: academy of motion picture arts and sciences, academy of television arts and sciences, french academy, national academy of sciences, royal academy, royal academy of arts, royal society, royal society of london for improving natural knowledge
Derived forms adjective academic₁, noun academician₃, noun academician₂, noun academician₁

3.  academy(n = noun.group) - a school for special training;
is a kind of school
has particulars: yeshiva, yeshivah, police academy, military academy, naval academy, air force academy, plato's academy
Derived forms noun academician₃, noun academician₂

4.  academy(n = noun.artifact) - a learned establishment for the advancement of knowledge;
is a kind of establishment
Derived forms noun academician₃, noun academician₂, noun academician₁

1.  A garden or grove near Athens (so named from the hero Academus), where Plato and his followers held their philosophical conferences; hence, the school of philosophy of which Plato was head. [1913 Webster]

2.  An institution for the study of higher learning; a college or a university. Popularly, a school, or seminary of learning, holding a rank between a college and a common school. [1913 Webster]

3.  A place of training; a school. Hume. [1913 Webster]

4.  A society of learned men united for the advancement of the arts and sciences, and literature, or some particular art or science; as, the French Academy; the American Academy of Arts and Sciences; academies of literature and philology. [1913 Webster]

5.  A school or place of training in which some special art is taught; as, the military academy at West Point; a riding academy; the Academy of Music. [1913 Webster]

academy, n. (pl. -ies)
1 a a place of study or training in a special field (military academy; academy of dance). b hist. a place of study.
2 (usu. Academy) a society or institution of distinguished scholars, artists, scientists, etc. (Royal Academy).
3 Sc. a secondary school.
4 a Plato's followers or philosophical system. b the garden near Athens where Plato taught.

Etymology:
F acad{eacute}mie or L academia f. Gk akademeia f. Akademos the hero after whom Plato's garden was named

N  school, academy, university, alma mater, college, seminary, Lyceum, institute, institution, palaestra, Gymnasium, class, seminar, day school, boarding school, preparatory school, primary school, infant school, dame's school, grammar school, middle class school, Board school, denominational school, National school, British and Foreign school, collegiate school, art school, continuation school, convent school, County Council school, government school, grant-in-aid school, high school, higher grade school, military school, missionary school, naval school, naval academy, state-aided school, technical school, voluntary school, school, school of art, kindergarten, nursery, creche, reformatory, pulpit, lectern, soap box desk, reading desk, ambo, lecture room, theater, auditorium, amphitheater, forum, state, rostrum, platform, hustings, tribune, school book, horn book, text book, grammar, primer, abecedary, rudiments, manual, vade mecum, encyclopedia, cyclopedia, Lindley Murray, Cocker, dictionary, lexicon, professorship, lectureship, readership, fellowship, tutorship, chair, School Board Council of Education, Board of Education, Board of Studies, Prefect of Studies, Textbook Committee, propaganda, scholastic, academic, collegiate, educational, ex cathedra.

academy award, academy of motion picture arts and sciences, academy of television arts and sciences, air force academy, french academy, military academy, national academy of sciences, naval academy, plato's academy, police academy, royal academy, royal academy of arts, united states air force academy, united states military academy, united states naval academy, us air force academy, us military academy, us naval academy