appreciate in WordNet English dictionary

1. gain in value
   "The yen appreciated again!"
   appreciate  apprize  apprise  revalue 
   
2. increase the value of
   "The Germans want to appreciate the Deutsche Mark"
   appreciate  apprize  apprise 
   
3. be fully aware of; realize fully
   "Do you appreciate the full meaning of this letter?"
   appreciate  take account 
   
4. recognize with gratitude; be grateful for
   appreciate 
   
5. hold dear
   "I prize these old photographs"
   prize  value  treasure  appreciate