activity — Activity is a situation in which a lot of things are happening or being done.
life — the condition that distinguishes organisms from inorganic objects and dead organisms, being manifested by growth through metabolism, reproduction, and the power of adaptation to environment through changes originating internally.
liveliness — full or suggestive of life or vital energy; active, vigorous, or brisk: a lively discussion.
action — Action is doing something for a particular purpose.
diligence — constant and earnest effort to accomplish what is undertaken; persistent exertion of body or mind.
industriousness — working energetically and devotedly; hard-working; diligent: an industrious person.
industry — the aggregate of manufacturing or technically productive enterprises in a particular field, often named after its principal product: the automobile industry; the steel industry.
busyness — the quality or condition of being busy.
energy — The strength and vitality required for sustained physical or mental activity.
interest — the feeling of a person whose attention, concern, or curiosity is particularly engaged by something: She has a great interest in the poetry of Donne.
