The antonyms for the word "un-settle" are words that convey the opposite meaning of the term. The opposite of unsettling is to calm, to reassure, to settle, or to soothe. These words describe the state of being at peace or feeling secure. When everything is in order, and nothing is disturbing, one feels settled. Unsettling can be a feeling of discomfort, anxiety, or stress. The antonyms for unsettled are the things that make us feel safe, secure and happy. Words like comfort, peace, stability, contentment are some of the antonyms to unsettle. In summary, being settled gives a sense of harmony and tranquillity, while unsettling brings stress and instability.