verb (v)

• recognize with gratitude; be grateful for(verb.emotion)

  source: wordnet30
• be fully aware of; realize fully(verb.cognition)

  Example:
  Do you appreciate the full meaning of this letter?.
  

  Synonym:
  take account
  

  source: wordnet30
• hold dear(verb.possession)

  Synonym:
  prize, treasure, value
  

  source: wordnet30
• gain in value(verb.change)

  Example:
  The yen appreciated again!.
  

  Synonym:
  apprise, apprize, revalue
  Antonym:
  depreciate, devaluate, devalue, undervalue
  

  source: wordnet30
• increase the value of(verb.change)

  Example:
  The Germans want to appreciate the Deutsche Mark.
  

  Synonym:
  apprise, apprize
  Antonym:
  depreciate
  

  source: wordnet30
• To set a price or value on; to estimate justly; to value.(verb)

  source: webster1913
• To rise in value. [See note under Rise, v. i.](verb)

  source: webster1913