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.

In a dead plain the way seemeth the longer, because the eye hath preconceived it shorter than the truth.
Bacon.