Categorization as an aspect of cognitive function of the language

The subject of the paper is categorization of the world around us as a powerful tool used to arrange the collection of concepts and to build a hierarchically organized linguistic world image. The main subject is to consider how cognitive linguistics became a separate branch of science, as well as how the researchers realized the role of categorization in describing the world around us and building a linguistic world image. The methodology of the research is analysis of various types of scientific papers dealing with description of how cognitive linguistics became a separate branch of science, as well as the evolution of point of view on categorization as a powerful cognitive tool. Results of the research is determination of role of categorization as an important tool of cognitive linguistics. Scope of results are various kinds of scientific research works concerning the features and issues occurring in the course of categorization during the process of creating and analyzing different linguistic world images.