嫣えん然ぜん一いっ笑しょう

noun, noun or participle which takes 'suru'

charming smile; bewitching smile

Literary expression for a captivating, beautiful smile. Often used in classical or poetic contexts.

• 彼かの女じょは嫣えん然ぜん一いっ笑しょうして、その場ばを去さった。

  She gave a bewitching smile and left the place.