Branch of philosophy

The crossword clue indicates that the solution is a Branch of Philosophy, which is Ethics. Ethics is a field of philosophical study that explores moral values, principles, and standards that govern human behavior. This branch of philosophy includes examining ethical concepts, such as justice, right and wrong, and the responsibilities of individuals in society. The study of ethics also involves exploring ethical theories and ethical decision-making processes. Overall, the crossword answer is Ethics, a crucial field in philosophy that explores the moral implications of human behavior.