Machiavelianism n. : The supposed principles of Machiavel, or practice in conformity to them; political artifice, intended to favor arbitrary power.

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Taxonomy
Machiavellianism, MACH-IV, free encyclopedia, psychopathy, massacre, Sydney Anglo, Niccolò Machiavelli, Prince, English, scholars, dead, Christie, Geis, Machs, the dark, Spielberger, OED, the Italian Renaissance.

Defination from the web:
Machiavellianism is, according to the OED, "the employment of cunning and duplicity in statecraft or in general conduct", deriving from the ... and variants became very popular in the late 16th century in English, though "Machiavellianism" itself is first cited by the OED from 1626. ...