D defs.my
Entry 1 sense Webster, 1913

Preconception

/prēk-ən-sĕp'-shən/ · Pre·con·cep·tion · IPA /ˌpɹikənˈsɛpʃən/
01 n. The act of preconceiving; conception or opinion previously formed.
  1. 1.
    The act of preconceiving; conception or opinion previously formed.