The word "encyclopaedic" refers to something that contains a wide range of information and knowledge on various topics, just like an encyclopedia does. It suggests being comprehensive and covering a broad spectrum of subjects. Full definition
«A terrific team player with encyclopaedic knowledge of arbitration law.» (essexcourt.com)
Overlapping with this exhibition will be one curated by the film director Wes Anderson and his wife, the set and costume designer Juman Malouf, who have picked out objects from across the KHM's encyclopaedic collections (11 September 2018 — 20 January 2019). (apollo-magazine.com)
Co-opted into a wider narrative of abstract art — as so many artworks are, in encyclopaedic museums and special group exhibitions around the world — his deliberate brushstrokes might appear incidental, each painting's peculiar tone drowned out by that of unrelated neighbours. (apollo-magazine.com)