In the contemporary moral responsibility debate, most theorists seem to be giving accounts of responsibility in the "desert-entailing sense." Despite this agreement, little has been said about the notion of desert that is supposedly entailed. In this paper I propose an understanding of desert sufficient to help explain why the blameworthy and praiseworthy deserve blame and praise, respectively. I do so by drawing upon what might seem an unusual resource. I appeal to so-called Fitting-Attitude accounts of value to help inform a conception of desert or merit, one that can be usefully applied to discussions of moral responsibility. I argue that the view, which I call, Desert as Fittingness (or DAF), merits additional attention. I do ...