Word Magic Dictionary & 

Word Magic Dictionary & Tools is a Mega Dictionary with translations, idioms, synonyms, antonyms colloquial and regional tags, etc. The program also includes a Double Thesaurus, which mirrors all words related to your search word in both languages

The Home Edition is a reduced version of Word Magic Dictionary & Tools dictionary (half its database size), with translations, synonyms and antonyms. It also has a Thesaurus, a Conjugator, and a Reverse Conjugator which gives you the root of the search word.