A gathering of words by nearness of meaning rather than by spelling. A treasury — its old name, and the honest one.
Greek thesauros (treasure, treasury, storehouse); a collection of words organized by meaning, a treasury of semantic relationships
A knowledge system table. Stores semantic relationships between keywords — synonyms, related terms, broader/narrower concepts, antonyms, and translations. One keyword can have many thesaurus entries. Council-seeded with sovereign submissions.