WordNet is a semantic lexicon for the English language. It was created and is being maintained at the Cognitive Science Laboratory of Princeton University under the direction of psychology professor George A. Miller.
The purpose is twofold: to produce a combination of dictionary and thesaurus that is more intuitively usable, and to support automatic text analysis and artificial intelligence applications.
The 2.0 version running here was converted by AndroidTech.com to run on a mySql server. More detailed info is available at wikipedia.
You may try any of these proposals and inspect the possibilities:
half*, climate, weather, arctic, cyclone, storm, woman, meteorology>, prognostication
