- I. n.
1.Sleeping vision.2.Revery, fancy, fantasy, conceit, illusion, delusion, vagary, idle fancy, day-dream, castle in the air, château en Espagne.II. v. n.1.Have visions in sleep.2.Think, imagine, fancy, have a notion.3.Give a loose rein to the fancy, give the reins to the imagination, indulge in revery, build castles in the air.
New dictionary of synonyms. 2014.