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Conceptual engineering and conceptual ethics are branches of philosophy concerned with questions about how to assess and ameliorate our representational devices (such as concepts and words). It's a part of philosophy concerned with questions about which concepts we should use (and why), how concepts can be improved, when concepts should be abandoned, and how proposals for amelioration can be implemented. Central parts of the history of philosophy have engaged with these issues, but the focus of this volume is on applications to work in contemporary philosophy of language and mind, epistemology, gender and race theory, ethics, philosophy of science, and philosophical logic. This is the first volume devoted entirely to conceptual engineering and conceptual ethics. The volume explores the possibilities, benefits, problems, and applications of conceptual engineering and conceptual ethics. It consists of twenty chapters written by leading philosophers.

 Alexis Burgess is an independent philosopher based in Los Angeles. Herman Cappelen is Professor of Philosophy at the University of Oslo and at the University of St Andrews. He is editor-in-chief of the journal Inquiry. Cappelen works in all areas of systematic philosophy and has written, co-written, or edited more than ten books and many articles. David Plunkett is Associate Professor of Philosophy at Dartmouth College.