Definitions
1.NounMental acceptance of a claim as true."It's my belief that the thief is somebody known to us."
2.NounFaith or trust in the reality of something; often based upon one's own reasoning, trust in a claim, desire of actuality, and/or evidence considered."My belief is that there is a bear in the woods. Bill said he saw one.; Based on this data, it is our belief that X does not occur."
3.NounSomething believed."The ancient people have a belief in many deities."
4.NounThe quality or state of believing."My belief that it will rain tomorrow is strong."
5.NounReligious faith."She often said it was her belief that carried her through the hard times."
6.NounOne's religious or moral convictions."I can't do that. It's against my beliefs."
7.Noun↑ Jespersen, Otto (1942), A Modern English Grammar on Historical Principles (Sammlung germanischer Elementar- und Handbücher; 9), volume VI: Morphology, London: George Allen & Unwin, published 1961, § 12.23, page 200.