Visual Thesaurus: Innovative New Tool

Visual Thesaurus is a pretty cool graphic tool that lets you explore new words.  Unfortunately you can only demo it for a short period before the site asks you to buy…

From Visual Thesaurus
The Visual Thesaurus is a dictionary and thesaurus with an intuitive interface that encourages exploration and learning. Available in both a Desktop Edition and an Online Edition, the Visual Thesaurus is a marvelous way to improve your vocabulary and your understanding of the English language.

With both versions of the Visual Thesaurus, you can
Find the right word and explore. The Visual Thesaurus has over 145,000 English words and 115,000 meanings. Search for the word you’re looking for and then follow a trail of related concepts.
Improve your grasp of the English language. The Visual Thesaurus’s intuitive interface helps you find words through their semantic relationship with other words and meanings. This focus results in a more precise understanding of the English language.
Hear words pronounced correctly. (Internet connection necessary) The Visual Thesaurus offers a choice between a British and an American English accent.
Understand the relationships between English words and meanings. In addition to synonyms, the Visual Thesaurus shows 16 kinds of semantic relationships. You can see that a nose is part of a face, that a horned poppy is a type of flower, and that epinephrine is a type of vasoconstrictor.
Expand your search to the Internet. From any word, you can initiate an Internet search for either web pages or images.
Check your spelling. The Visual Thesaurus suggests alternatives so you can find the right word even when you’re not sure of the spelling.
Personalize your experience. The Visual Thesaurus allows you fine control over your settings. You control font size, the types of relationships that are available, content filtering, and more.
Filter Content. Both the Desktop and the Online Edition allow you to filter content at four different levels.