Disconcerting, the adjective that describes something that causes confusion or makes one feel uneasy. The antonym for disconcerting is "comforting," which describes something that provides reassurance or relief. Another antonym is "calming," which describes something that creates a sense of tranquility or serenity. Similarly, "soothing" is another antonym that suggests the idea of gentleness or easiness. Contrarily, "unsettling" is another word that could be an antonym for disconcerting, as it means to make one feel unsteady or anxious. Lastly, "reassuring" is another antonym that suggests restoring peace of mind or removing doubt.