verb (v)

• expose to cool or cold air so as to cool or freshen(verb.change)

  Synonym:
  air, air out, vent
  

  source: wordnet30
• expose to the circulation of fresh air so as to retard spoilage(verb.perception)

  Example:
  Wheat should be well ventilated.
  

  source: wordnet30
• circulate through and freshen(verb.motion)

  Example:
  The gust of air ventilated the room.
  

  source: wordnet30
• give expression or utterance to(verb.communication)

  Synonym:
  give vent, vent
  

  source: wordnet30
• furnish with an opening to allow air to circulate or gas to escape(verb.change)

  source: wordnet30
• To open and expose to the free passage of air; to supply with fresh air, and remove impure air from; to air; as, to ventilate a room; to ventilate a cellar; to ventilate a mine.(verb)

  source: webster1913