Discipline in sociology and politics that deals with peace between groups or nations, its study, obtaining and maintenance. The term irénologie was created by the Belgian Paul Michel Gabriel Lévy in 1950 from the Greek voices 949; 953; 961; 949; 957; 951; (eirene "peace" ) 955; 959; 947; 959; 962; ( logos "study" ) . See polemology .