The phrase "a source of fulfillment" is correct and usable in written English.
It can be used when discussing something that provides satisfaction, happiness, or a sense of purpose in life.
Example: "Volunteering at the local shelter has become a source of fulfillment for me, as I enjoy helping those in need."
Alternatives: "a source of satisfaction" or "a means of gratification."
My work has always been a source of fulfillment.
A particular make of car or a designer suit might function as a source of fulfillment or personal identity, but not, for instance, a washing machine.
In the face of modern competitive individualism and disharmony, Ludwig Feuerbach sought to restore the wholeness of the human personality and to view social connections as a source of fulfillment, not of limitation.
Bruce loved life and appreciated the solitude and beauty of Nature as a source of personal fulfillment.
This book chronicles its autobiographical hero's career as an artist and his unpredictable pursuit of the perfect woman as a source of ultimate fulfillment.
With a distinguished career of over 32 years for the New York City Board of Education, Ellen served as an Instructional Support Supervisor for children with special needs, who were a source of great fulfillment throughout her life.
Dr. Morris, who taught philosophy at Notre Dame for 15 years, said his approach was basically to get employees "to think more deeply about their jobs" as a source of personal fulfillment rather than just something they must do.
New York University and Imperative found only 28% of employees define their role at work as a source of personal fulfillment and a way to help others.
For me, and I expect for many other women, successfully building something of my own has been a source of immeasurable fulfillment.
I want my children to find a space for gratitude in their every day life because I believe it is a source of true fulfillment -- all year long, not only in December.
Keep in mind however that sometimes there is no harm in extending assistance to another person simply because you can and that such a gesture could even be a source of personal fulfillment.
