Definify.com
Webster 1913 Edition
Altruism
Al′tru-ism
,Noun.
[F.
altruisme
(a word of Comte’s), It. altrui
of or to others, fr. L. alter
another.] Regard for others, both natural and moral; devotion to the interests of others; brotherly kindness; – opposed to
egoism
or selfishness
. [Recent]
J. S. Mill.