noun (n)

• that which is pleasing or valuable or useful(noun.attribute)

  Synonym:
  good
  Antonym:
  bad, badness
  

  source: wordnet30
• moral excellence or admirableness(noun.attribute)

  Antonym:
  evil, evilness
  

  source: wordnet30
• The quality of being good in any of its various senses; excellence; virtue; kindness; benevolence; as, the goodness of timber, of a soil, of food; goodness of character, of disposition, of conduct, etc.(noun)

  source: webster1913