prepossession

That opinion was then, as now, the avowed result of a theoretical prepossession; and this prepossession, as the above quotations sufficiently show, was expressly repudiated by Darwin.

From Darwin, and After Darwin, Volume 2 Post-Darwinian Questions: Heredity and Utility by George John Romanes

He ought to have an enthusiastic prepossession in favour of his candidate. 

From Crying for the Light, Vol. 2 [of 3] or Fifty Years Ago by J. Ewing (James Ewing) Ritchie

And his strong and awful prepossession in favor of the Bible led him, first of all, to go to the book.

From Prisoners of Conscience by Amelia Edith Huddleston Barr

We must approach the whole subject of split or duplicated personalities with no prepossession against the possibility of any given arrangement or division of the total mass of consciousness which exists within us.

From Human Personality and its Survival of Bodily Death by F. W. H. (Frederic William Henry) Myers

The Anthologies of Diabolical Literature may be considered, I trust, without any risk of offence to any theological or philosophical prepossession.

From Devil Stories An Anthology by Various