Wordnet polsko-angielski 
                         (the quality of unselfish concern for the welfare of others) 
altruism, selflessness 
synonim: altruizm
Nowoczesny słownik polsko-angielski 
                        altercentrism
 (the quality of unselfish concern for the welfare of others) 
altruism, selflessness 
synonim: altruizm
altercentrism