1) Bias 2) Homophobia 3) Islamophobia 4) Prejudice 5) Racism 6) Tendentiousness 1) Opinion 2) Parti pris 3) Persuasion 4) Preconceived idea 5) Preconceived notion 6) Preconceived opinion 7) Prepossession 8) Sentiment 9) Thought 10) View 
• (n.) The act of preconceiving; conception or opinion previously formed.
Pre`con·cep'tion noun The act of preconceiving; conception or opinion previously formed. 
The period of time that occurs before conception takes place.
[n] - an opinion formed beforehand without adequate evidence
preconception 1. An opinion formed before obtaining adequate evidence, especially as the result of bias or prejudice. 2. A prejudice that prevents rational consideration of an issue.
prepossession noun an opinion formed beforehand without adequate evidence; `he did not even try to confirm his preconceptions`
a conception or opinion formed beforehand. · bias.