'asceticism' definitions:

Definition of 'asceticism'

From: WordNet
noun
The doctrine that through renunciation of worldly pleasures it is possible to achieve a high spiritual or intellectual state
noun
The trait of great self-denial (especially refraining from worldly pleasures) [syn: austerity, asceticism, nonindulgence]
noun
Rigorous self-denial and active self-restraint [syn: asceticism, ascesis]

Synonyms of 'asceticism'

From: Moby Thesaurus