monasticism -
asceticism as a form of religious life; usually conducted in a community under a common rule and characterized by celibacy and poverty and obedience
monasticism -
The religious practice of renouncing all worldly pursuits in order to fully devote one's life to spiritual work.
Wikipedia
Monasticism (from Greek μοναχός, monachos, derived from Greek monos, alone) is a religious way of life characterized by the practice of renouncing worldly pursuits to fully devote one's self to spiritual work. The origin of the word is from Ancient Greek, and the idea originally related to Christian monks. In the Christian tradition, males pursuing a monastic life are usually called monks or brethren (brothers), and if females nuns or sisters.
OmegaWiki Dictionary
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monasticism A religious way of life in which one renounces worldly pursuits to devote oneself fully to spiritual work.