preconception noun

VERB + PRECONCEPTION have | fit in with We like this approach because it fits in with our own preconceptions. | challenge, get away from It is important to challenge society's preconceptions about disabled people.

PREP. with/without ~s It's important that you come to this task with no preconceptions. | ~ about Most people have preconceptions about old age. | ~ of her preconceptions of life in the country