com·pla·cen·cy 
/kəmˈpleɪsn̩si/ noun
/kəmˈpleɪsn̩si/ noun [noncount] : a feeling of being satisfied with how things are and not wanting to try to make them better : a complacent feeling or condition
▪ The public was lulled into complacency. ▪ The stock market crash rattled/shattered/shook our complacency. [=took away our feeling that everything was fine]
▪ The public was lulled into complacency. ▪ The stock market crash rattled/shattered/shook our complacency. [=took away our feeling that everything was fine]
