Dean Pettit has research interests in the philosophy of language, philosophy of linguistics and epistemology. He is currently working on various projects that bring linguistics to bear on philosophical issues. This includes work on the semantics of 'good', the semantics of quantifiers and vague names. He also works on issues about linguistic competence and the epistemology of language. Sample publications: "On the Epistemology and Psychology of Speech Comprehension," The Baltic International Yearbook (2010); “The Pervasive Impact of Moral Judgment,” with Josh Knobe, Mind and Language (2009); “Why Knowledge is Unnecessary for Understanding Language,” Mind (2002).