fill — satisfy
“fill”— suggests adequacy but no more. "satisfy"~ adequate response to a requirement, need or expectation, stressing its completeness.

1. The candidate ... all requirements for a degree. 2. She was hired ... a staff vacancy. 3. This is a film that can hardly ... the expectations of the people. 4. Despite excellent recommendations she didn't ... our expectations. 5. He ... the post satisfactorily and performs the duties well.