non fiction (noun) book: published document
Sinonime: CEO,
arbiter,
aristocrat,
bible, big cheese, big shot, big wig,
boss, brains, brass,
buff*, city hall,
connoisseur, czar, egghead,
establishment*, exec, executive,
expert, feds, front office, governor,
guru, ivory dome,
judge, kingfish, kingpin,
law*, power elite,
pro,
professional, professor,
pundit,
scholar,
specialist, textbook, top brass, top dog, top hand, upstairs,
veteran,
virtuoso,
whiz,
wizard