This volume contributes a wider approach to word formation processes and sheds light on some unsolved issues. While the formal relationships established between the different constituents of a complex word have been analyzed in great depth, the semantic links have received little dedication. In order to complete the analysis, it is necessary to pay attention to the semantic properties associated to verbalization. The main purpose of the book is to integrate both the semantic proposals and the formal perspectives concerning word formation. This theoretical aim becomes the framework to study several mechanisms of lexical creation and neologisms. Furthermore, word formation is presented as a new source for Applied Linguistics. Although the volume uses Spanish as a starting point, it means to delimit formation patterns which may also be productive in other languages.