Group belief is a term used to describe a shared set of values, principles, or ideas that are held by a group of people. TENET is a synonym for this concept, and is derived from the Latin word 'tenere, ' which means 'to hold.' A TENET is a fundamental belief that guides the actions and decisions of a group. It is often used to refer to religious or philosophical beliefs, but can also be applied to any type of collective belief system.