Wordnet 3.0
NOUN (1)
1.
the principles and ideals associated with classical Greek civilization;
The Collaborative International Dictionary of English v.0.48:
Hellenism \Hel"len*ism\, n. [Gr. ?: cf. F. Hell['e]nisme.]
1. A phrase or form of speech in accordance with genius and
construction or idioms of the Greek language; a Grecism.
--Addison.
[1913 Webster]
2. The type of character of the ancient Greeks, who aimed at
culture, grace, and amenity, as the chief elements in
human well-being and perfection.
[1913 Webster]
WordNet (r) 3.0 (2006):
Hellenism
n 1: the principles and ideals associated with classical Greek
civilization