The practice of using action to achieve a result, such as political demonstration or a strike in support of or in opposition to an issue.

plural of activism

Capable of being activated

A substance or agent that activates a process.

Of or pertaining to activation

The act of activizing / Synonym of activation

plural of activization

(uncountable) The state or quality of being active; activeness. / (countable) Something done as an action or a movement.

Making active and effective; bringing into a state of activity. / (physics) The process of making a radioisotope by bombarding a stable element with neutrons or protons.

(transitive) To encourage development or induce increased activity; to stimulate.