The crossword solution for the term 'Fundamental of Philosophy' is TAO, which stands for 'The Way'. Taoism is an ancient Chinese philosophical and religious tradition that emphasizes living in harmony with the Tao, or the natural order of the universe. Taoism is based on the teachings of Lao Tzu, a Chinese philosopher who wrote the Tao Te Ching, a book of wisdom and guidance. Taoism is a fundamental part of Chinese culture and has been influential in many other cultures around the world.