noun
emotion
ih-MOH-shuhn/ɪˈməʊʃn/
A feeling such as joy, anger, fear, or sadness.
Each woman's expression reveals a different emotion, one joyful and the other sad.

Etymology
The pieces give the image of moving out or stirring up. Emotion first meant social stirring or agitation, then came to describe strong feeling and eventually feelings generally.
In context
watching the scene with as much emotion as if he were watching grass grow.
More examples
- Fear is a natural emotion when you face danger.
- He struggles to express his emotions in words.
- The story brings out a mix of emotions.
Forms
emotion · emotions
emotional adjective — Relating to or expressing strong feelings.