classical

Concise Oxford English Dictionary © 2008 Oxford University Press:
classical/ˈklasɪkl/

▶adjective

• 1 relating to ancient Greek or Latin literature, art, or culture.

  ■ (of art or architecture) influenced by ancient Greek or Roman forms or principles.

• 2 (of a form of art or a language) representing an exemplary standard within a traditional and long-established form or style: a classical ballet.

  ■ (of music) of traditional and long-established form or style or (more specifically) written in the European tradition during a period lasting approximately from 1750 to 1830, when forms such as the symphony were standardized.

• 3 relating to the first significant period of an area of study: classical Marxism.

  ■ Physics relating to or based upon concepts and theories which preceded the theories of relativity and quantum mechanics; Newtonian.

– derivatives
classicalism noun,
classicality noun,
classically adverb.