PREPOSSESSION
preconception, prepossession, parti pris, preconceived opinion, preconceived idea, preconceived notion
(noun) an opinion formed beforehand without adequate evidence; “he did not even try to confirm his preconceptions”
prepossession
(noun) the condition of being prepossessed; “the king’s prepossession in my favor is very valuable”
Source: WordNet® 3.1
Etymology
Noun
prepossession (countable and uncountable, plural prepossessions)
Preoccupation; having possession beforehand.
A preconceived opinion, or previous impression; bias, prejudice.
Source: Wiktionary
Pre`pos*ses"sion, n.
1. Preoccupation; prior possession. Hammond.
2. Preoccupation of the mind by an opinion, or impression, already
formed; preconceived opinion; previous impression; bias; --
generally, but not always, used in a favorable sense; as, the
prepossessions of childhood. "The prejudices and prepossessions of
the country." Sir W. Scott.
Syn.
– Bent; bias; inclination; preoccupancy; prejudgment. See Bent.
Source: Webster’s Unabridged Dictionary 1913 Edition