<p><strong>Noun:</strong></p><ul><li>Philosophies<ul><li>The rational investigation of the truths and principles of being, knowledge, or conduct.</li><li>Any of the three branches, namely natural philosophy, moral philosophy, and metaphysical philosophy, that are accepted as composing this study.</li><li>A particular system of thought based on such study or investigation: the philosophy of Spinoza.</li><li>The critical study of the basic principles and concepts of a particular branch of knowledge, especially with a view to improving or reconstituting them: the philosophy of science.</li><li>A system of principles for guidance in practical affairs.</li><li>An attitude of rationality, patience, composure, and calm in the presence of troubles or annoyances.</li></ul></li></ul>