Explanation:

- Remorse: A deep regret or guilt for a wrong committed.

- Option 1: Sorrow: A feeling of deep distress caused by loss, disappointment, or other misfortune.

- Option 2: Regret: A feeling of sadness or disappointment over something that has happened or been done.

- Option 3: Empathy: The ability to understand and share the feelings of another. Not directly related as an antonym of remorse.

- Option 4: Satisfaction: A feeling of contentment or fulfillment, often due to the achievement of a desire or goal.

The most appropriate antonym for "remorse" in this context is Option 4: Satisfaction.

- Satisfaction is the opposite of feeling regret or guilt.