Correct Answer: Feeling

Solution : The correct choice is the fourth option.

The term sentiment generally refers to a thought, feeling, or attitude, often expressed subjectively and emotionally. Among the options provided, feeling is the most suitable synonym for "sentiment".

The meanings of other words are as follows:

• Antipathy : This term means a strong dislike or hostility.
• Concrete : This term refers to a material substance rather than an emotional state.
• Hatred : This term implies intense hostility.

Therefore, the right answer is feeling .