say it: muh-NA-stuh-siz-uhm
monasticism is a noun meaning "asceticism as a form of religious life; usually conducted in a community under a common rule and characterized by celibacy and poverty and obedience". It carries one recorded sense.
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for monasticism come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.