Implicit in the notion of language planning is the issue of preserving linguistic rights, one dimension to be taken into account in considering the relationship between the role of language in social life and security. This paper, however, intends to introduce another dimension, not typically included in the literature on language planning, i.e. the role of discourse in escalating or de-escalating conflict among social groups. It will define and illustrate the components of a critical linguistic framework which, it is proposed, language professionals can use (1) to assess how discourse contributes to promoting conflict and threatening security in a society and (2) as a guide in devising interventions that would serve to facilitate reconciliation through language change in those areas where it (discourse) is a source of conflict and insecurity.