Taxonomies and Search Engines

Okay, I just ran across one of the most interesting things that I've seen in a while ... Google Suggest. Check it out. I'm thinking that it would be ever so interesting to combine a predefined taxonomy and a pre-existing list of tags as the source for something like this for tagging new blog entries and/or any other piece of content thtat should be classified. Could help reduce the use of redundant synonyms? Could it help take ethnoclassification to the next level?  It sure would be interesting to find out, and you can be sure, that if I get the time, I'll try to investigate further how we might employ this type of idea here at EDUCAUSE.