Fulfill (verb)

1. Carry out or complete (a promise, duty, or role).
2. Satisfy the requirements of (a need, desire, or condition).

Origin:

Middle english: from old french fulfiller, from latin fulfillare "fill full", from plenus "full".

Examples:

1. He fulfilled his promise to her.
2. She fulfilled her duties as a mother.
3. The company fulfilled the contract.
4. He fulfilled his role as a father.
5. She fulfilled her dream of becoming a doctor.