lifemanship

[ lahyf-muh n-ship ]
/ ˈlaɪf mənˌʃɪp /

noun

the ability to conduct one's life, career, personal relationships, etc., in a successful manner.
the skill or practice of conveying to others a real or apparent sense of one's superiority.

Origin of lifemanship

1945–50; life + -manship; popularized, especially in sense of def. 2, by the book Some Notes on Lifemanship (1950) by British author Stephen Potter (1900–69)