egotism, an excessive or exaggerated sense of self-importance ethical egoism, the doctrine that holds that individuals ought to do what is in their self-interest psychological egoism, the doctrine that holds that individuals are always motivated by self-interest rational egoism, the belief that it's rational to act in one's self-interest solipsism, (sometimes called egoism), the belief that only one's self exists, or that only the experiences of one's self can be verified Egoist anarchism, a f… (More on Egoistic)