ˈaktə̇ˌvizəm, -ēˌv- noun
( -s )
Etymology: German aktivismus, from aktiv active (from Latin activus ) + -ismus -ism — more at active
1. : either of two philosophical doctrines: (1) the mind is active, not passive, in perception or (2) activity is creative or fundamental : actualism — compare pragmatism , voluntarism
2. : a doctrine or practice that emphasizes vigorous action (as the use of force for political ends)