He·ge·li·an·ism 
(hə-gālē-ə-nĭz′əm)
(hə-gālē-ə-nĭz′əm)n.
The monist, idealist philosophy of Hegel in which the dialectic of thesis, antithesis, and synthesis is used as an analytic tool in order to approach a higher unity or a new thesis.
He·geli·an adj. & n.