To become a professional nurse requires that nurses learn to think in a right way. Thinker nurses strive to be clear, accurate, logical, complete, precise and faire in their practice and manner. In other words, a thinker nurse is a philosopher who has the ability of reasoning, critical and reflective thinking. In many investigations, the role of critical or reflective thinking is explored, but in this review article, we are trying to introduce a comprehensive concept that involves all these elements of thinking skills. It is philosophizing.