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.

plural of belief

(rare) The state or quality of being beliefful; faithfulness.

(rare) Having belief or faith; faithful.

Archaic spelling of belief.

plural of beliefe

A system of beliefs.

plural of belief system

The abstract quality of making believe

unbelievable