She greeted me with a gentle smile.
My grandfather had a mild personality and was liked by everyone.
She always has a gentle expression on her face.
The teacher is loved by the students for his gentle personality.
The old man watched the children with a gentle smile.
I felt at ease because of the gentle look in his eyes.
温和 is often used for mild climates or even tempers in general, while 柔和 focuses specifically on a gentle, soft quality in a person's face or manner.
穏やか describes calmness and lack of agitation broadly (weather, personality, seas), while 柔和 more narrowly describes a soft, kind quality in expression or demeanor.
温厚 emphasizes a warm, good-natured, unlikely-to-anger personality, while 柔和 emphasizes outward softness of expression and manner.
柔和 describes a person's gentle, mild temperament, whereas 柔 is the broader abstract quality of softness or pliability itself.
Composed of 柔 (soft, gentle) and 和 (harmony, peace). The combination conveys a sense of soft harmony, reflecting the word's meaning of gentle and mild demeanor.