The quality or state of being capersome; playfulness, liveliness, and a tendency toward capricious movement or behavior.
From capersome plus the abstract noun suffix -ness, which creates nouns from adjectives by describing the quality or condition itself. Following patterns like 'happiness,' 'brightness,' and 'kindness.'
Adding -ness to adjectives is one of the most productive word-building tricks in English—anyone can make a noun meaning 'the quality of being [adjective]'—but capersomeness captures that specific goaty exuberance perfectly.
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