"egoism" in the noun sense
1. egoism
ethics) the theory that the pursuit of your own welfare in the basis of morality
2. egoism, egocentrism, self-interest, self-concern, self-centeredness
concern for your own interests and welfare
Source: WordNet® (An amazing lexical database of English)
Princeton University "About WordNet®."
WordNet®. Princeton University. 2010.
View WordNet® License