dream in WordNet English dictionary

1. a cherished desire
   "his ambition is to own his own business"
   ambition  aspiration  dream 
   
2. a series of mental images and emotions occurring during sleep
   "I had a dream about you last night"
   dream  dreaming 
   
3. imaginative thoughts indulged in while awake
   "he lives in a dream that has nothing to do with reality"
   dream  dreaming 
   
4. a fantastic but vain hope (from fantasies induced by the opium pipe)
   "I have this pipe dream about being emperor of the universe"
   pipe dream  dream 
   
5. a state of mind characterized by abstraction and release from reality
   "he went about his work as if in a dream"
   dream 
   
6. someone or something wonderful
   "this dessert is a dream"
   dream 
   

1. have a daydream; indulge in a fantasy
   dream  daydream  woolgather  stargaze 
   
2. experience while sleeping
   "She claims to never dream"; "He dreamt a strange scene"
   dream