n. 25B6; noun
she was lost in a daydream : REVERIE, trance, fantasy, vision, fancy, brown study; inattentiveness, wool-gathering, preoccupation, absorption, self-absorption, absent-mindedness, abstraction.
a big house was one of her daydreams : DREAM, pipe dream, fantasy, castle in the air, castle in Spain, fond hope; wishful thinking; informal pie in the sky.
25B6; verb stop daydreaming! : DREAM, muse, stare into space; fantasize, be in cloud cuckoo land, build castles in the air, build castles in Spain.