[dem.a.gogue] or dem.a.gog n [Gk demagogos, fr. demos people (perh. akin to Gk daiesthai to divide) + agogos leading, fr. agein to lead--more at tide, agent] (1648) 1: a leader who makes use of popular prejudices and false claims and promises in order to gain power
2: a leader championing the cause of the common people in ancient times -- dem.a.gogu.ery n -- dem.a.gogy n
[2]demagogue or demagog vb -gogued or -goged ; -gogu.ing or -gog.ing vi (1656): to behave like a demagogue ~ vt: to treat (as an issue) in a demogogic manner