The Oxford Thesaurus An A-Z Dictionary of Synonyms - somebodypron.

1) one, someone, some person: There must be somebody who will take you to the dance. --n. 2) personage, celebrity, dignitary, VIP, luminary, notable, star, superstar, Colloq hotshot, bigwig, big wheel, big gun, big noise, big White Chief, big Daddy, big Chief, big-timer; hot stuff; Old-fashioned big cheese; US Mr Big: He must be a somebody to merit such treatment.