'Moderatism' definitions:

Definition of 'moderatism'

noun

A political philosophy of avoiding the extremes of left and right by taking a moderate position or course of action [syn: centrism, moderatism]

From: GCIDE

Moderatism \Mod"er*a*tism\ (m[o^]d"[~e]r*[asl]*t[i^]z'm), n. Moderation in doctrines or opinion, especially in politics or religion. [1913 Webster]