encyclopedic

adj. of or pertaining to an encyclopedia; comprehensive, containing a wide range of information

An encyclopedia, or (traditionally) encyclopædia, is a written compendium that contains information on all branches of knowledge or a particular branch of knowledge.
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Adjective
1. broad in scope or content; "encyclopedic knowledge"
(synonym) encyclopaedic
(similar) comprehensive

(a.)
Alt. of Encyclopedical
  

Synonyms and related words:
abstruse, across-the-board, all-comprehensive, all-embracing, all-inclusive, blanket, broad, civilized, compendious, complete, comprehensive, cultivated, cultured, deep, discursive, educated, erudite, exhaustive, extensive, general, global, inclusive, learned, lettered, literate, omnibus, over-all, panoramic, pansophic, polyhistoric, polymath, polymathic, profound, scholarly, scholastic, studious, sweeping, synoptic, thorough, total, universal, whole, wide-ranging, wise, without exception, without omission