To envisage is to imagine something that does not yet exist . The words envisage and envision share the same Latin root meaning to see. Both words are very similar in meaning but do have slight shades of difference. If you envision something happening, you can see it happening in your mind. Used today to mean “to have a mental picture of something, especially in advance of realization” and “to view or regard something in a certain way,” envisage for a time could also mean “to confront or face someone.” ENVISAGING definition : 1. present participle of envisage 2. to imagine or expect something in the future, especially…. Learn more. Envisage means to imagine what will happen in the future or to form an idea of something. Learn how to use it in different contexts, synonyms, pronunciation and examples.