MUTUALISM
symbiosis, mutualism
(noun) the relation between two different species of organisms that are interdependent; each gains benefits from the other
Source: WordNet® 3.1
Etymology
Noun
mutualism (countable and uncountable, plural mutualisms)
(ecology) Any interaction between two species that benefits both; typically involves the exchange of substances or services.
An economic theory and anarchist school of thought that advocates a society where each person might possess a means of production, either individually or collectively, with trade representing equivalent amounts of labor in the free market.
Source: Wiktionary
Mu"tu*al*ism, n. (Ethics)
Definition: The doctrine of mutual dependence as the condition of
individual and social welfare. F. Harrison. H. Spencer. Mallock.
Source: Webster’s Unabridged Dictionary 1913 Edition