Wordnet 3.0
NOUN (1)
1. 
 German philosopher whose three stage process of dialectical reasoning was adopted by Karl Marx (1770-1831); 
[syn: Hegel, Georg Wilhelm Friedrich Hegel]
The Collaborative International Dictionary of English v.0.48:
Hegel \Hegel\ prop. n.
   Georg Wilhelm Friedrich Hegel, a German writer (1770-1831).
   [WordNet 1.5]
WordNet (r) 3.0 (2006):
Hegel
    n 1: German philosopher whose three stage process of dialectical
         reasoning was adopted by Karl Marx (1770-1831) [syn:
         Hegel, Georg Wilhelm Friedrich Hegel]