noun (n)

• the act of providing approval and support(noun.act)

  Example:
  His vigorous backing of the conservatives got him in trouble with progressives.
  

  Synonym:
  backup, championship, patronage
  

  source: wordnet30
• something forming a back that is added for strengthening(noun.artifact)

  Synonym:
  mount
  

  source: wordnet30
• financial resources provided to make some project possible(noun.possession)

  Synonym:
  financial backing, financial support, funding, support
  

  source: wordnet30
• The act of moving backward, or of putting or moving anything backward.(noun)

  source: webster1913