[f. as prec.] The state or quality of being spontaneous.
a. 1649. in N. & Q., Ser. I. X. 357. Spontaniousnes, and readines to helpe those who are in distress or suffer injury.
a. 1676. Hale, Prim. Orig. Man., I. ii. (1677), 49. It is impossible to resolve the spontaneousness of many of their animal motions into those Principles.
1837. Ht. Martineau, Soc. Amer., III. 267. This can only be done by those who do approve and reverence spontaneousness.
1872. Spurgeon, Treas. Dav., Ps. liv. 6. The spontaneousness of our gifts is a great element in their acceptance.