"Unnerves" is a verb that means to make someone feel nervous, tense or anxious. The opposite of unnerves is to calm, soothe, or relax. Some antonyms for unnerves include comfort, reassure, pacify, ease, placate, and relax. When you calm someone, you provide comfort and assurance, thereby bringing peace to their minds. Similarly, when you relax someone, you make them feel more at ease, thereby reducing their anxiety. Therefore, in situations where someone feels unnerved due to a stressful event or situation, offering comfort or a calming presence can help to restore their inner peace.