Gratitude is the proper or called-for response in a beneficiary to benefits or beneficence from a benefactor. It is a topic of interest in normative ethics, moral psychology, and political philosophy, and may have implications for metaethics as well. Despite its commonness in everyday life, there is substantive disagreement among philosophers over the nature of gratitude and its connection to other philosophical concepts. The sections of this article address five areas of debate about what gratitude is, when it is called (...) for, and what implications it has for other debates in moral philosophy and philosophy generally. (shrink)