Activity
Part of speech: noun
Definition: The state or quality of being active; nimbleness; agility; vigorous action or operation; energy; active force; as, an increasing variety of human activities. something done as an action or a movement something done for pleasure or entertainment, especially one involving movement or an excursion. Use (of internet, playstation, bank account etc.)
Example sentence: The pursuit of truth and beauty is a sphere of activity in which we are permitted to remain children all our lives.
Activeness
Part of speech: noun
Definition: The state or quality of being active.