"conception or opinion formed in advance of experience or actual knowledge," 1620s, from pre- "before" + conception. Related: Preconceptions.
he did not even try to confirm his preconceptions
precocious
precocity
precognition
pre-Columbian
preconceive
preconception
precondition
preconscious
precool
precursor
predacious
)window.location='https://www.paypal.com/cgi-bin/webscr?cmd=_donations&business=byronic106@yahoo.com&lc=US&item_name=Donation+to +Help+Keep+Etymonline+Free+and+Open&no_note=0&cn=&curency_code=USD&bn=PP-DonationsBF:btn_donateCC_LG.gif:NonHosted'){kind=link}