noun (n)

• sufficient resources to provide comfort and meet obligations(noun.state)

  Example:
  Her father questioned the young suitor's sufficiency.
  

  source: wordnet30
• an adequate quantity; a quantity that is large enough to achieve a purpose(noun.quantity)

  Example:
  There is more than a sufficiency of lawyers in this country.
  

  Synonym:
  enough
  

  source: wordnet30
• the quality of being sufficient for the end in view(noun.attribute)

  Example:
  He questioned the sufficiency of human intelligence.
  

  Synonym:
  adequacy
  Antonym:
  deficiency, inadequacy, insufficiency
  

  source: wordnet30
• The quality or state of being sufficient, or adequate to the end proposed; adequacy.(noun)

  source: webster1913