noun (n)

• the property of being extremely abundant(noun.attribute)

  Example:
  The idiomatic richness of English.
  

  Synonym:
  cornucopia, profuseness, profusion
  

  source: wordnet30
• abundant wealth(noun.state)

  Example:
  They studied forerunners of richness or poverty.
  The richness all around unsettled him for he had expected to find poverty.
  

  Synonym:
  affluence
  

  source: wordnet30
• the property of a sensation that is rich and pleasing(noun.attribute)

  Example:
  He was well aware of the richness of his own appearance.
  

  Synonym:
  fullness, mellowness
  

  source: wordnet30
• the quality of having high intrinsic value(noun.attribute)

  Example:
  The richness of the mines and pastureland.
  The cut of her clothes and the richness of the fabric were distinctive.
  

  source: wordnet30
• the property of producing abundantly and sustaining vigorous and luxuriant growth(noun.attribute)

  Example:
  He praised the richness of the soil.
  

  Synonym:
  fertility, prolificacy, rankness
  

  source: wordnet30
• a strong deep vividness of hue(noun.attribute)

  Example:
  The fire-light gave a richness of coloring to that side of the room.
  

  source: wordnet30
• splendid or imposing in size or appearance(noun.attribute)

  Example:
  Impressed by the richness of the flora.
  

  Synonym:
  grandness, impressiveness, magnificence
  

  source: wordnet30
• The quality or state of being rich (in any sense of the adjective).(noun)

  source: webster1913