Word Study
activism
CIDE DICTIONARY
activism, n.
a policy of taking direct and militant action to achieve a political or social goal. [WordNet 1.5]
OXFORD DICTIONARY
activism, n. a policy of vigorous action in a cause, esp. in politics.
Derivative
activist n.
THESAURUS
activism
act, acting, action, activeness, activity, behavior, business, doing, doings, employment, exercise, function, functioning, goings-on, militancy, motion, movement, movements, occupation, operation, operations, play, political activism, practice, praxis, proceedings, stir, swing, work, working, workingsFor further exploring for "activism" in Webster Dictionary Online