1. Early twentieth-century intuitionism -- Henry Sidgwick: three kinds of ethical intuitionism -- G.E. Moore as a philosophical intuitionist -- H.A. Prichard and the reassertion of dogmatic intuitionism -- C.D. Broad and the concept of fittingness -- W.D. Ross and the theory of prima facie duty -- Intuitions, intuitionism, and reflection -- 2. Rossian intuitionism as a contemporary ethical theory -- The Rossian appeal to self-evidence -- Two types of self-evidence -- Resources and varieties of moderate intuitionism -- Disagreement, incommensurability, and the charge of dogmatism -- Intuitive moral judgment and rational action -- 3. Kantian intuitionism -- The possibility of systematizing Rossian principles -- A Kantian integration of intuitionist principles -- Kantian intuitionism as a development of Kantian ethics -- Between the middle axioms and moral decision: the multiple grounds of obligation -- 4. Rightness and goodness -- Intrinsic value and the grounding of reasons for action -- Intrinsic value and prima facie duty -- The autonomy of ethics -- Deontological constraints and agent-relative reasons -- The unity problem for intuitionist ethics -- 5. Intuitionism in normative ethics -- Five methods in normative ethical reflection -- The need for middle theorems -- Some dimensions of beneficence -- Toward a comprehensive intuitionist ethics.