winningness en · NOUN
Etymology
From winning + -ness.
Meanings
-
(uncountable) The quality or state of being winning.
Those who insist on charm, on winningness in style, on subtle harmonies and fine exquisiteness of suggestion, are disappointed in Burke
1879, John Morley, Burke:Taylor tried a jape or two as in a campy hootch number for Linda Kent who, for some prankish reason, made her entrance behind an obliging cabbage; but the whole seemed underchoreographed and overdependent upon the winningness of the dancers.
1979, High Fidelity Musical America, volume 29, number 2: