The term 'Reclusive and Austere' can be summarized by the crossword solution 'MONASTIC', which refers to a lifestyle of seclusion and simplicity. Monasticism is a religious way of life in which one renounces worldly pursuits to devote their life to spiritual work. Monastics typically live in isolated communities, practice self-denial, and adhere to a strict code of conduct. This lifestyle is often characterized by austerity, humility, and reclusiveness.