1. [noun] Any of the characteristics of ancient Greek culture, civilization, principles and ideals, including humanism, reason, the pursuit of knowledge and the arts, moderation and civic responsibility.
2. [noun] The culture and civilization of the Hellenistic period.
3. [noun] The admiration for and adoption of ancient Greek culture, ideas and civilization.
4. [noun] The national character or culture of Greece.
5. [noun] The belief in and worship of the Greek gods.
6. [noun] The principles and ideals associated with classical Greek civilization.