What is a person called who is licensed to operate a motor vehicle?

The term referring to a person who is licensed to operate a motor vehicle is "Licensed Driver." This designation specifically indicates that the individual has met the legal requirements set by transportation authorities, including passing necessary tests and fulfilling any other criteria to obtain a driving license. This license serves as proof that the driver has been trained and is authorized to operate vehicles on public roads.

Other terms such as "Capable Driver," "Skilled Driver," and "Registered Driver" lack the formal recognition that comes with a driving license. While they may suggest that a person can drive or has some level of proficiency, they do not carry the legal weight that "Licensed Driver" does. A "Registered Driver" might imply that the driver has registered a vehicle but does not necessarily mean they possess the required license to operate it. Therefore, "Licensed Driver" is the most appropriate and accurate term for anyone legally permitted to drive a motor vehicle.