1. He wasn't a very prepossessing sort of person.

2. She was prepossessed with the notion of her own superiority.

3. The interviewer was prepossessed by his good manners.

4. He / His appearance is not at all prepossessing.

5. I was quite prepossessed by his appearance.

6. The box didn't look very prepossessing, but the necklace inside was beautiful.

7. It is not a prepossessing start, as the following example from my past experience as a social worker suggests.

8. The Intelligence service was even prepared to give young Hans a second look, even though he was not a prepossessing sight.

9. Leaders must pay attention to the ways and methods of authorization, and prepossess the authorization.