9. A computer implemented search method for electronically searching documents, and providing a search result in response to a search query, comprising: receiving, using a user interface module controlled by a computer processor, a search query from a user, said search query having at least one search query term; electronically and automatically determining, using a query processing module controlled by a computer processor, a single, assumed sense of said at least one search query selected form a list of retrieved sense for the search query term; displaying alternative senses in which said at least one search query term is used that are different from and exclusive of the single assumed word sense, and receiving the user's selection of at least one the alternative senses; electronically identifying, using the query processing module controlled by a computer processor, a plurality of available alternative terms from a cluster of terms belonging to a same word sense for the at least one search query term based on the user's selected alternative sense, wherein the plurality of available alternative terms include any available synonyms within the user's selected alternative sense; and electronically executing a search, using a search engine, for electronic documents that satisfy at least one of said search query term and the plurality of available alternative terms.
9. A computer implemented search method for electronically searching documents, and providing a search result in response to a search query, comprising: receiving, using a user interface module controlled by a computer processor, a search query from a user, said search query having at least one search query term; electronically and automatically determining, using a query processing module controlled by a computer processor, a single, assumed sense of said at least one search query selected form a list of retrieved sense for the search query term; displaying alternative senses in which said at least one search query term is used that are different from and exclusive of the single assumed word sense, and receiving the user's selection of at least one the alternative senses; electronically identifying, using the query processing module controlled by a computer processor, a plurality of available alternative terms from a cluster of terms belonging to a same word sense for the at least one search query term based on the user's selected alternative sense, wherein the plurality of available alternative terms include any available synonyms within the user's selected alternative sense; and electronically executing a search, using a search engine, for electronic documents that satisfy at least one of said search query term and the plurality of available alternative terms. 11. The search method of claim 9 , further comprising displaying alternative domain categories in which said at least one search query term is used, and receiving user's selection of at least one alternative domain category.