utilitarianist/jʊtɪlɪˈtɛːɹiənɪst/EtymologyFrom utilitarian + -ist.adjRelating to utilitarianism.nounOne who subscribes to the philosophy of utilitarianism.“In contrast to the egoist, the utilitarianist defines acceptable behavior as that which maximizes the principle of utility — the greatest good for the greatest number of people.”