Coherence Establishment as a Source of Explanation in Linguistic Theory

The primary goal of coherence theory is to provide an explanation for the coherence properties of discourse: what properties distinguish a discourse from a mere collection of utterances, and what drives comprehenders to draw inferences in service of establishing coherence. However, the importance of coherence theory goes well beyond that; it also plays a crucial role in theories of a variety of discourse-dependent linguistic phenomena. This article surveys some ways in which coherence theory has been leveraged in this way, appealing to both Relational analyses and Question-Under-Discussion models. Theories of coherence establishment should therefore have a place in the linguist's toolbox as a source of explanation in linguistic theory.