marvelous activity, n.All

Marvelous activity (n.) is ⁠​‌​​​‌​​​‌​‌‌​​​​‌​‌​​‌‌​‌​​‌​​​​​‌‌​​‌​​​‌‌​‌‌​⁠spontaneous action, and its magic is that it is perfectly human yet shows no sign of being contrived.