Prejudicate v. t. (past & past part. prejudicated; pres. part. prejudicating) To determine beforehand, especially to disadvantage; to prejudge. "Our dearest friend Prejudicates the business."
... for then we will undervalue light, and reject all the directions and instructions of the Spirit, as not agreeing with our prejudicate opinion. ... — Christ The Way, The Truth, and The Life • John Brown (of Wamphray)