Commutation -

Unlike a pardon, a commutation does not erase the conviction itself; it only lightens the punishment. 3. Engineering: Electrical Commutation

In older motors, this is done physically with brushes; in modern BLDC (Brushless DC) motors , it is managed electronically by a controller. 4. Insurance & Reinsurance commutation

You get a significant amount of cash upfront but receive a reduced monthly pension for a fixed period (often 15 years). Unlike a pardon, a commutation does not erase