Etherialise is a word whose meaning centers around the idea of making something mystical or surreal. Some synonyms for etherialise include etherealize, spiritualize, and mystify. Other related words include fantasticalize, romanticize, and idealize. These words suggest that something is being transformed into a more abstract or intangible form, perhaps imbuing it with a greater sense of otherworldliness or fairy-tale-like wonder. Overall, synonyms for etherialise point to the idea of making something more magical, dreamlike, or unattainable, helping to describe the process of transforming something ordinary into something extraordinary.