noun (n)

• the quality of unselfish concern for the welfare of others(noun.attribute)

  Synonym:
  selflessness
  Antonym:
  egocentrism, egoism, self-centeredness, self-concern, self-interest
  

  source: wordnet30
• Regard for others, both natural and moral; devotion to the interests of others; brotherly kindness; -- opposed to egoism or selfishness.(noun)

  source: webster1913