Activeness

ac·tive  (ktv)

adj.

1. Being in physical motion: active fish in the aquarium.

2. Functioning or capable of functioning.

3.

a. Marked by energetic activity; busy: active stock and bond markets; spent an active day sightseeing.

b. Involving or requiring physical exertion and energy: an active workout at the gym.

4.

a. Being in a state of action; not quiescent: active hostilities along the border.

b. Erupting or liable to erupt; not dormant: an active volcano.

5.

a. Marked by or involving direct participation: took an active interest in politics; played an active role on the committee.

b. Currently in use or effect: an active membership.

c. Openly acknowledged or expressed: an active dislike of the new neighbors.

6. Producing an intended action or effect: active ingredients.

7. Grammar

a. Indicating that the subject of the sentence is performing or causing the action expressed by the verb. Used of a verb form or voice.

b. Expressing action rather than a state of being. Used of verbs such as run, speak, and move.

8. Producing profit, interest, or dividends: active accounts; active stocks.

9. Electronics

a. Being a source of electrical energy, as a generator.

b. Capable of converting or amplifying voltages or currents, as a diode or transistor.

10. Being on full military duty and receiving full pay.

n.

1. Grammar

a. The active voice.

b. A construction or form in the active voice.

2. A participating member of an organization: union actives.

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[Middle English actif, from Old French, from Latin ctvus, from ctus, past participle of agere, to drive, do; see ag- in Indo-European roots.]

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active·ly adv.

active·ness n.

Synonyms: active, energetic, dynamic, vigorous, lively
These adjectives mean engaged in activity. Active means moving, doing, or functioning: an active toddler; an active imagination; saw active service in the army.
Energetic suggests sustained enthusiastic activity: an energetic competitor.
Dynamic connotes energy and forcefulness that often inspires others: a dynamic leader.
Vigorous implies healthy strength and robustness: a vigorous crusader against drunk driving.
Lively suggests animated alertness: a lively interest in politics.

Thesaurus

Noun	1.	activeness - the state of being active; "his sphere of activity"; "he is out of action" action, activity state - the way something is with respect to its main attributes; "the current state of knowledge"; "his state of health"; "in a weak financial state" agency - the state of being in action or exerting power; "the agency of providence"; "she has free agency" busyness, hum - the state of being or appearing to be actively engaged in an activity; "they manifested all the busyness of a pack of beavers"; "there is a constant hum of military preparation" behaviour, behavior - the action or reaction of something (as a machine or substance) under specified circumstances; "the behavior of small particles can be studied in experiments" eructation, extravasation, eruption - (of volcanos) pouring out fumes or lava (or a deposit so formed) operation - the state of being in effect or being operative; "that rule is no longer in operation" overdrive - the state of high or excessive activity or productivity or concentration; "Troops are ready to go into overdrive as soon as the signal is given"; "Melissa's brain was in overdrive" play - a state in which action is feasible; "the ball was still in play"; "insiders said the company's stock was in play" swing - a state of steady vigorous action that is characteristic of an activity; "the party went with a swing"; "it took time to get into the swing of things" inaction, inactiveness, inactivity - the state of being inactive
	2.	activeness - the trait of being active; moving or acting rapidly and energetically; "the level of activity declines with age" activity trait - a distinguishing feature of your personal nature brio, invigoration, spiritedness, vivification, animation - quality of being active or spirited or alive and vigorous pizzaz, pizzazz, zing, oomph, dynamism - the activeness of an energetic personality inertia, inactiveness, inactivity - a disposition to remain inactive or inert; "he had to overcome his inertia and get back to work"