Combining scholarly authority with a new awareness of today�s communication demands, Roget�s 21st Century Thesaurus is the simple, reliable way to find the perfect word for your needs. It features an easy-to-use dictionary format plus a revolutionary Concept Index that arranges words by idea, thus enhancing the user�s process of association and leading to scores of additional selections. The inclusion of a wide spectrum of words and phrases with each entry�from sophisticated choices to completely new vocabulary in the language�brings users an exceptional number of alternatives to fit any variation of style and tone. --Created by the highly respected Princeton Language Institute --More word choices than any other thesaurus�OVER 1 MILLION WORDS! --Concise definitions for each main entry --A revolutionary Concept Index�arranged by idea, it mirrors the way we actually think! --No obsolete terms�all synonyms and antonyms reflect modern usage