What is the meaning of Belief?

Mental acceptance of a claim as true.

Faith 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.

Something believed.

The quality or state of believing.

Religious faith.

One's religious or moral convictions.

↑ 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.

imperative of believen

first/third-person singular preterite of belaufen

Source: wiktionary.org