Synonyms:
spontaneity, spontaneousness
Meaning: the quality of being spontaneous and coming from natural feelings without constraint; "the spontaneity of his laughter"
Usage examples
Often he is in the highest spirits, with all the spontaneity of youth, and again he is depressed, moody, and violently angry.
This spontaneity of virtues exercises on all the members a constant and sublime ministry of mutual edification and reciprocal sanctification.
But, just as reflection and reason are subsequent to spontaneity, observation to sensation, and experience to instinct, so property is subsequent to communism.