Synonym Book?

I use www.poetry.com a lot, and it can find rhymes, definitions, synonyms, etc. for any word I need one of them for, but I haven't found any books that will do the same.

Any suggestions?

It's called a thesaurus

www.thesaurus.com

If you are looking for words that rhyme theres a rhymer at the top of the page on my main menu and it can help you

I use http://www.visualthesaurus.com/ It's not free but it's great. Well worth the money.

I use http://www.visualthesaurus.com/ It's not free but it's great. Well worth the money.

I use dictionary.com or thesaurus part of that website as well.