A dictionary that let's you find a word by entering words that describe it; you will get back a list of words and phrases related to that concept. Your description can be a few words, a sentence, a question, or even just a single word. You can use it to:

• Find a word if you know its definition
• Explore related concepts
• Generate a list of words in some category
• Answer basic identification questions
• Solve crossword puzzle clues