noun (n)

• money paid out; an amount spent(noun.possession)

  Synonym:
  outgo, outlay, spending
  Antonym:
  income
  

  source: wordnet30
• the act of spending money for goods or services(noun.act)

  Synonym:
  expending
  

  source: wordnet30
• the act of consuming something(noun.act)

  Synonym:
  consumption, using up
  

  source: wordnet30
• The act of expending; a laying out, as of money; disbursement.(noun)

  source: webster1913