In the modern world, extremism poses a threat to world values, the national and personal security. The purpose of the present study is to specify research frame work including international and national policies, legislation and other measures undertaken in the world, focusing on discourse and linguistic component, to analyze available methodology and to elaborate new approaches to use discursive practices for preventing extremism. Shaping new methodology to deal with the challenges extremism poses to society requires comprehensive studies and contextualization of discourses, discursive practices and social aspects of the phenomena. The research outlines two main areas including global trends in academic research of discourse to prevent extremism and the other targeting specific tasks, communities and outcomes.