A gentle, warm smile; often implies a soft, affectionate expression rather than a broad grin.
Her smile put me at ease.
Seeing a baby's innocent smile makes me feel happy.
She listened to the story with a smile on her face.
The teacher gave the students a warm smile.
I couldn't help smiling when I saw the photo.
Mixed kanji-kana spelling; less common but still encountered.
Rarely used kanji form.