What is the antonym of the word 'Frantic'?

• Frantic (noun)English Meaning: 1. Done quickly and with a lot of activity, but in a way that is not very well organized.2. Unable to control your emotions because you are extremely frightened or worried about somethingBangla Meaning: উন্মত্তবৎSynonyms: Wild (বন্য), Agitated (উত্তেজিত, বিক্ষুব্ধ), Mad (পাগল), Furious (ক্ষিপ্ত, প্রমত্ত ইত্যাদি)।Antonyms: Calm (শান্ত), Controlled (নিয়ন্ত্রিত), Relaxed (ঠান্ডা, সুস্থির), Docile, (নিরীহ, বাধ্য), Assured (নিশ্চিত)। Other Forms:- Frantically (Adverb)Example Sentence: 1. I hope they won't be recluses and that they'll enjoy rural life and all that goes on in the community.2. I was frantic with anger and frustration. Source: Website Lecture.