ɪˌmædʒəˈneɪʃən saɪt ˈvɪ.ʒ(ə)n the formation of a mental image of something that is not perceived as real and is not present to the senses popular imagination created a world of demons imagination reveals what the world could be the ability to see; the visual faculty the perceptual experience of seeing the runners emerged from the trees into his clear vision he had a visual sensation of intense light a vivid mental image he had a vision of his own death a religious or mystical experience of a supernatural appearance he had a vision of the Virgin Mary