Synonyms and related words :
act, acting, action, active, activism, activity, agency, alive, at work, behavior, behavioral, conduct, direction, doing, driving, dynamic, employment, execution, exercise, function, functional, going, going on, handling, in exercise, in force, in hand, in operation, in play, in practice, in process, in the works, inaction, live, management, manipulation, movements, occupation, on foot, on the fire, ongoing, operancy, operating, operation, operational, operations, operative, performance, performing, play, practice, practicing, praxis, responsibility, running, serving, steering, swing, work, working, workings