The word "un-nerving" refers to something that makes one feel anxious, uncomfortable or uneasy. Its antonyms, on the other hand, are words that convey the opposite emotion, such as comforting, calming, reassuring, soothing, relaxing or settling. These words can describe actions, thoughts, feelings or experiences that provide relief or alleviation of stress, fears, doubts or worries. They can be actions, such as a warm hug or a cup of tea, or thoughts, such as positive affirmations or calming visualizations. Whatever the source, antonyms for un-nerving are a welcome relief to anyone seeking to ease their mind or body.