spontaneity

The quality or condition of being spontaneous.

Spontaneous behavior, impulse, or movement.

Spontaneous character or quality; that character of any action of any subject by virtue of which it takes place without being caused by anything distinguishable from the subject itself.

In biology, the fact of apparently automatic change in structure, or activity in function, of animals and plants, whereby new characters may be acquired, or certain actions performed, under no influence of external conditions or stimulus; animal or vegetable automatism.

The quality or state of being spontaneous, or acting from native feeling, proneness, or temperament, without constraint or external force.

The tendency to undergo change, characteristic of both animal and vegetable organisms, and not restrained or checked by the environment.

The tendency to activity of muscular tissue, including the voluntary muscles, when in a state of healthful vigor and refreshment.

The quality of being spontaneous.

Spontaneous behaviour.