I.of one's free will, voluntary, spontaneous (late Lat.): “mors,” Macr. Somn. Scip. 2, 22: “voluntas,” free will, Cod. Just. 2, 3, 2: “benignitates numinum,” Arn. 3, p. 114.—Adv.: spontānĕē , voluntarily, willingly, of one's own mind: “apparere tumores,” Theod. Prisc. 1, 8; Vulg. 1 Pet. 5, 2; Hier. Ep. 52, n. 7.
spontānĕus , a, um, adj. sponte,