General:
* She finally fulfilled her lifelong dream of becoming a doctor.
* The company's goal is to fulfill the needs of its customers.
* We need to fulfill our obligations to our partners.
Specific examples:
* The artist was able to fulfill the commission for a portrait of the royal family.
* The new software update fulfills all the requirements for data security.
* He felt a sense of fulfillment after completing the challenging marathon.
Figurative:
* The movie perfectly fulfilled its promise of suspense and action.
* The concert fulfilled our expectations and left us wanting more.
With different tenses:
* I am fulfilling my promise to help you.
* She has fulfilled her duties as a volunteer for years.
* We will fulfill the order by the end of the week.
The best way to use "fulfill" depends on the context and what you want to express.