This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. A book of synonyms, often including related and contrasting words and antonyms.

n. A book of selected words or concepts, such as a specialized vocabulary of a particular field, as of medicine or music.

n. A publication, usually in the form of a book, that provides synonyms (and sometimes antonyms) for the words of a given language.

n. A dictionary or encyclopedia.

n. A hierarchy of subject headings—canonic titles of themes and topics, the titles serving as search keys.

n. A treasury or storehouse; hence, a repository, especially of knowledge; -- often applied to a comprehensive work, like a dictionary or cyclopedia.

n. A treasury; a store; especially, thesaurus verborum, or simply thesaurus, a treasury of words; a lexicon.

n. a book containing a classified list of synonyms

"First there is a dig about people who write pretentiously: in blogworld, demonstrable ownership of a thesaurus is shorthand for 'good writing style'"

Roget's thesaurus classification    ontology    Wiktionary's thesaurus (Wikisaurus)   

thesauri   

thesaural   

dictionary    synonymicon   

Doris    Horace    Horus    Morris    Taurus    brontosaurus    chorus    morris    porous    sorus   

therdpylae    thewhite    k    m    endif    l    objectionableness    phrase book    colophon    swordfight