luminary
noun
lu·mi·nary
| \ ˈlü-mə-ˌner-ē
\
\
plural luminaries
Definition of luminary
1
: a person of prominence or brilliant achievement
a literary luminary a luminary in the medical profession
2
: a body that gives light
especially
: one of the celestial bodies
skywatchers … will see one more bright luminary below Orion and Canis Major — Martin Ratcliffe