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 ]