Douglas Harper's Etymology Dictionary
mutualistic
1885, from mutualist "advocate of mutualism" (1848); see mutualism.
Wiktionary
mutualistic
a. (context biology English) mutually beneficial
Usage examples of "mutualistic".
Open Innovation companies regard the VC community, and the start-ups the community funds, as mutualistic participants in a complex ecosystem of firms that create, recombine, compete, imitate, and interact with each other.
Vampires could form the vanguard of a comfortable new myth, a myth of sharing, mutualistic cooperation.
Most biologists claimed that it was an innate, mutualistic relationship between species.