ˌspäntəˈn]ēəd.ē, ]āə-, -ətē, -i sometimes -t ə nˈ]\ noun
( -es )
Etymology: Late Latin spontane us + English -ity
1. : the quality or state of being spontaneous
the apparent spontaneity with which a new … type of art arose — Herbert Read
spontaneity of his laughter
2. : the source of spontaneous action or expression : the quality, innate power, or influence that determines the character
the free play of passion and thought, the graces and arts of life, all that springs from the spontaneity of nature — G.L.Dickinson