view (what you think or believe about someone or something): We have very different views on parenting.
opinion (your attitude towards someone or something; view): What is your opinion of her?
point of view (your attitude or opinion about something): Just try to see things from my point of view.
belief (a strong feeling that something exists or is true): It is my belief that we made the right decision.
idea (an opinion or belief): Mike had different ideas on the subject.
feeling informal (an opinion or belief, especially one that is based on emotion): My feeling is that we should wait for him.
judgment (an opinion that is based on careful thought): In my judgment, he is very good at his job.
sentiment formal (a thought or opinion, especially one that is based on emotion): I respect your sentiments, but we must be realistic.
thinking (opinion or judgment): What is your thinking on this?
notion (an opinion, belief, or concept): She has a different notion.