Savoir faire is knowledge of what to do and say and an ability to excel in social situations.
Jackie Kennedy's grace and poise is an example of savoir faire.
ready knowledge of the right thing to do or say in any social situation
Origin of savoir-faireFrench from savoir faire, literally , to know (how) to do
The ability to say or do the appropriate or graceful thing in social situations.
Origin of savoir-faireFrench savoir to know how faire to do