Wiktionary
n. The full use of one's own ability.
WordNet
n. the fulfillment of your capacities [syn: self-realization, self-realisation]
Wikipedia
In philosophy and psychology, self-fulfillment is the realizing of one's deepest desires and capacities. The history of this concept can be traced to Ancient Greek philosophers, and although it has been criticized since, it still remains a notable concept in modern philosophy.
Usage examples of "self-fulfillment".
But personal relations involve mutual self-fulfillment in communication and shared experience.
In personal terms, self-fulfillment, social responsibility, aesthetic achievement, hedonistic individualism, and an array of other goals vie with and often overshadow the raw drive for material success.
Timshel City was like a vast university dedicated entirely to learning and self-fulfillment, to discovering how the universe had started and how it had developed and how it operated, and the part sentient life played in it, and how people should think and feel and behave in the light of such knowledge.