spontaneity

noun4

1. •
   The quality of being spontaneous.

   • In any case, they are not very big on spontaneity. They sit on him for a few minutes before they decide what to do next. — 1992
2. •
   Spontaneous behaviour.

   • Romney Leigh, who lives by diagrams, / And crosses out the spontaneities / Of all his individual, personal life / With formal universals. — 1856
3. •
   The tendency to undergo change, characteristic of both animal and vegetable organisms, and not restrained or checked by the environment.
4. •
   The tendency to activity of muscular tissue, including the voluntary muscles, when in a state of healthful vigour and refreshment.