a celestial body, as the sun or moon.

a body, object, etc., that gives light.

a person who has attained eminence in his or her field or is an inspiration to others

one of the luminaries in the field of medical science.

of, pertaining to, or characterized by light.

noun

big name * , celeb , celebrity , dignitary , eminence , leader , lion * , name , notability , notable , personage , personality , somebody * , star , superstar , vip * , worthy , hero , lion , bigwig , light , planet , somebody , sun