noun, noun or participle which takes 'suru', intransitive verb
A gentle, often subtle smile. Can be used as a noun or with する to mean 'to smile'. Slightly more literary or formal than 笑顔 (えがお), which refers to a smiling face.
彼女は静かに微笑した。
She smiled quietly.
口元に微笑が浮かんだ。
A smile appeared on her lips.