1. (noun)luminary, leading light, guiding light, notable, notability a celebrity who is an inspiration to others
"he was host to a large gathering of luminaries"
2. (adj)noteworthy, notable worthy of notice
"a noteworthy advance in cancer research"
3. (adj)celebrated, famed, far-famed, famous, illustrious, notable, noted, renowned widely known and esteemed
"a famous actor"; "a celebrated musician"; "a famed scientist"; "an illustrious judge"; "a notable historian"; "a renowned painter"