Winningness

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.

Source: wiktionary

Those who insist on charm, on winningness in style, on subtle harmonies and fine exquisiteness of suggestion, are disappointed in Burke

Source: wiktionary