Definition of "spontaneousness" [spontaneousness]

• The state or condition of being spontaneous; spontaneity. (noun)

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• "Along with this advance, however, there is a perceptible falling off in symmetry and completeness of design, and in what I would call spontaneousness of composition."
• "Never, that is, until Christopher (in a rare bit of spontaneousness) suggested we take a little road trip to marry over there."
• "Romantic in its spontaneousness, and it is funny, which is always a good way to please the ladies!"