daydream

Noun

• absentminded dreaming while awake

Verb

• have dreamlike musings or fantasies while awake
  • She looked out the window, daydreaming
    

• have a daydream; indulge in a fantasy

Related words

• Synonyms: 
  reverie , revery , daydreaming , oneirism , air castle , castle in the air , castle in Spain , moon , dream , woolgather , stargaze