Ma·chi·a·vel·li·an·ism 
(măk′ē-ə-vĕlē-ə-nĭz′əm) also Ma·chi·a·vel·lism (-vĕlĭz′əm)
(măk′ē-ə-vĕlē-ə-nĭz′əm) also Ma·chi·a·vel·lism (-vĕlĭz′əm)n.
The political doctrine of Machiavelli, which denies the relevance of morality in political affairs and holds that craft and deceit are justified in pursuing and maintaining political power.