This study draws on the perspectives of educators to explore the factors and processes underlying wisdom development. We interviewed 25 wise Taiwanese nominees and used a grounded theory method to analyze the qualitative data. The wise nominees mentioned eight facilitative factors, including work experiences, life experiences, social interactions, observations, family teachings, professional development, religion, and reading. The process of wisdom development involves facilitative conditions, inner assimilation and adjustment, transformations of actual actions, and feedback from the results of actions. Findings are discussed in relation to relevant theory and research. (Contains 1 figure and 1 table.)