Peace

Definitions of altruism on the Web:
(al·tru·ism) (al¢troo-iz-[schwa]m) unselfish concern for the needs or interests of others, providing gratification vicariously or from their responses.
the view that the well-being of others should have as much importance for us as the well-being of ourselves. Some argue that altruism, even if it is desirable, is not possible, and that our ethics must be based on egoism.http://www.filosofia.net/materiales/rec/glosaen.htm
A form of behaviour in which an individual risks lowering its fitness for the benefit of another.helios.bto.ed.ac.uk/bto/glossary/ab.htm
from Alter, other. A quality opposed to Egoism. Actions tending to do good to others, regardless of self.http://www.theosociety.org/pasadena/key/key-glos.htm
An action or institution designed to promote human welfare.
Acting for the sake of other people's interests. There are two forms. Ethical altruism: people should act with other people's interests in mind, and learn this through experience. Psychological altruism: people are compelled to act with other people's interests in mind, because altruism is instinctive.http://www.google.com/url?sa=X&start=5&oi=define&q=http://www.reasoned.org/glossary.htm
Behavior that benefits another individual at a cost to the actor, where cost and benefit are defined in terms of reproductive success.http://www.modernhumanorigins.com/a.html
A behavior that costs the doer and benefits others. Anthropology 60 Teaching Assistants are the only true altruists known to exist.http://www.missouri.edu/~anthmark/courses/mah/glossary.htm
Acting to benefit others while disregarding one’s own welfare.highered.mcgraw-hill.com/sites/0072549238/student_view0/glossary.html
An unselfish concern for another person.http://www.sasked.gov.sk.ca/docs/social/psych30/Glossary.htm
altruism: is a term that refers to doing good deeds and service work for others out of the goodness of one's own heart.iamuniversity.org/glossary/cv_glossarylist.php
Altruistic actions are those performed for the sake of others. Altruism is the hypothesis that morality involves acting for the sake of others.http://www.abdn.ac.uk/philosophy/guide/glossary.shtml
Conferral of a benefit on other individuals at an apparent cost to the benefactor. See Chapter 20.evolution.unibe.ch/teaching/GlossarE.htm
from Morton Hunt (p. 21) "Behavior carried out to benefit anotherat some sacrifice to oneself, and without, or not primarily because of, the expectation of rewards from external sources".http://www.greeleynet.com/~cnotess/gloss.htm
the quality of unselfish concern for the welfare of others wordnet.princeton.edu/perl/webwn
Altruism is either a practice or habit (in the view of many, a virtue) as well as an ethical doctrine. en.wikipedia.org/wiki/Altruism