" Fantasy, or Phantasy,” Auntie replies, clearing her throat, “is from the Greek phantasia, lit. ‘a making visible.’” And she shows me how “fantasy” in the late Middle Ages meant “the mental apprehension of an object of perception,” the mind’s act of linking itself to the external world, but later came to mean just the reverse: an hallucination, a false perception, or the habit of deluding oneself. And she tells me that the word fantasy also came to mean the imagination itself, “the process, "

― Ursula K. Le Guin , Words Are My Matter: Writings About Life and Books, 2000–2016, with A Journal of a Writer's Week