+A thesaurus is a reference work listing words grouped by similarity of meaning, including [Synonyms](/wiki/synonyms) and antonyms. It serves as a tool to aid in [Word Choice](/wiki/word-choice) and expand one's vocabulary, enhancing the precision and richness of language.
+## See also
+- [Dictionary](/wiki/dictionary)
+- [Lexicography](/wiki/lexicography)
+- [Semantics](/wiki/semantics)