Luminary and Pacesetter

Luminary noun - A ball-shaped gaseous celestial body that shines by its own light.

Pacesetter and luminary are semantically related. In some cases you can use "Pacesetter" instead a noun "Luminary".

Pacesetter noun - One that takes the lead or sets an example.

Luminary and pacesetter are semantically related. Sometimes you can use "Luminary" instead a noun "Pacesetter".