sa·voir faire 
/ˌsævˌwɑɚˈfeɚ/ noun
/ˌsævˌwɑɚˈfeɚ/ noun [noncount] formal : the ability to behave in a correct and confident way in different situations
▪ I admire her sophistication and savoir faire. ▪ He handled the problem with his usual savoir faire.
▪ I admire her sophistication and savoir faire. ▪ He handled the problem with his usual savoir faire.
