What does the idiom "at ease" generally mean?

• The idiom "at ease" generally means - Relaxed and comfortable.• At easeEnglish Meaning: confident and relaxed.Bangla Meaning: আত্মবিশ্বাসী এবং নিরুদ্বেগ / শান্ত।Example Sentence:- I did my best to make him feel at ease.Source:1. Cambridge Dictionary.2. Accessible Dictionary by Bangla Academy.