Word family noun quiet disquiet quietness quietism quietude adjective quiet verb quieten quiet adverb quietly 
From Longman Dictionary of Contemporary Englishquietismqui‧et‧is‧m /ˈkwaɪətɪzəm/ noun [uncountable]  formalCALM when you accept situations and do not try to change themExamples from the Corpus
quietism• Her peculiar mixture of vehemence and quietism caused people discomfort. 
