'Demagogy' definitions:

Definition of 'demagogy'

noun

Impassioned appeals to the prejudices and emotions of the populace [syn: demagoguery, demagogy]

From: GCIDE

Demagogy \Dem"a*gog`y\, n. [Cf. F. d['e]magogie, Gr. dhmagwgi`a leadership of the people.] Demagogism.
Syn: demagoguery. [1913 Webster]