noun (n)

• the financial means whereby one lives(noun.possession)

  Example:
  He could no longer earn his own livelihood.
  

  Synonym:
  bread and butter, keep, living, support, sustenance
  

  source: wordnet30
• Subsistence or living, as dependent on some means of support; support of life; maintenance.(noun)

  source: webster1913
• Liveliness; appearance of life.(noun)

  source: webster1913