The term 'all-wise' is an adjective used to describe someone who is OMNISCIENT, or having infinite knowledge and understanding. It is often used to refer to a higher power, such as God, or a wise leader. The term is derived from the Latin phrase 'omnis cientia, ' which translates to 'all knowing.' Omniscience is a concept found in many religions and philosophies, and is often seen as a sign of great wisdom and power.