noun (n)

• a disposition to tolerate or accept people or situations(noun.attribute)

  Example:
  All people should practice toleration and live together in peace.
  

  Synonym:
  acceptance, sufferance
  

  source: wordnet30
• official recognition of the right of individuals to hold dissenting opinions (especially in religion)(noun.act)

  source: wordnet30
• The act of tolerating; the allowance of that which is not wholly approved.(noun)

  source: webster1913