'Preconceive' definitions:

Definition of 'preconceive'

verb

Conceive beforehand; "a preconceived notion"

From: GCIDE

Preconceive \Pre`con*ceive"\, v. t. [imp. & p. p. Preconceived; p. pr. & vb. n. Preconceiving.] To conceive, or form an opinion of, beforehand; to form a previous notion or idea of. [1913 Webster]
In a dead plain the way seemeth the longer, because the eye hath preconceived it shorter than the truth. --Bacon. [1913 Webster]