(art, sometimes capitalized) One taking part in the actionism movement. / (business, obsolete) A shareholder in a joint-stock company. / Synonym of activist

(grammar) action noun

plural of nomen actionis

Resembling or characteristic of an action.

(informal) Full of, or related to, action.

plural of actionlet

A component of an action performed by a person, used in computerized gesture recognition systems.

plural of ActionScript

Absence of action.

plural of direct actionist