noun (n)

• a characteristic (habitual or relatively temporary) state of feeling(noun.feeling)

  Synonym:
  humor, humour, temper
  

  source: wordnet30
• the prevailing psychological state(noun.state)

  Example:
  The national mood had changed radically since the last election.
  

  Synonym:
  climate
  

  source: wordnet30
• verb inflections that express how the action or state is conceived by the speaker(noun.linkdef)

  Synonym:
  modality, mode
  

  source: wordnet30
• Manner; style; mode; logical form; musical style; manner of action or being. See Mode which is the preferable form).(noun)

  source: webster1913
• Temper of mind; temporary state of the mind in regard to passion or feeling; humor; as, a melancholy mood; a suppliant mood.(noun)

  source: webster1913