preconception

noun

forming an early idea, conception of

Wiktionary

Pronunciation: /ˌpɹiːkənˈsɛpʃən/ / /ˌpɹikənˈsɛpʃən/ / /ˌpɹiːkənˈsepʃən/

adj

Etymology: Etymology tree Proto-Indo-European *per- Proto-Indo-European *preh₂- Proto-Indo-European *-i Proto-Indo-European *préh₂i? Proto-Italic *prai Proto-Italic *prai- Latin prae-lbor. Middle English pre- English pre- Proto-Indo-European *ḱe? Proto-Indo-European *ḱóm Proto-Italic *kom Proto-Italic *kom- Latin con- Proto-Indo-European *kap- Proto-Indo-European *-yéti Proto-Indo-European *kapyéti Proto-Italic *kapjō Old Latin kapiō Latin capiō ▲ Ancient Greek σῠλλᾰμβᾰ́νω (sŭllămbắnō)calq. Latin concipiō Proto-Indo-European *-tis Proto-Indo-European *-Hō Proto-Indo-European *-tiHō Proto-Italic *-tiō Latin -tiō Latin conceptiōlbor. Old French conceptionbor. Middle English concepcioun English conception English preconception From pre- + conception.

Preconceptional.

noun

An opinion formed before obtaining adequate evidence, especially as the result of bias or prejudice.
“With many of the more general preconceptions of socialist thought the connection of their more practical proposals is by no means at once obvious, and in consequence many men who believe themselves to be determined opponents of that system of thought become in fact effective spreaders of its ideas.”
“He told RAIL: "We had no preconceptions, but you would assume a newer train to have better air quality than an older one. We found that was not necessarily the case.”
A prejudice that prevents rational consideration of an issue.