It means: the capacity for appropriate action, or a polished sureness in social behavior.
Webster's New Collegiate Dictionary. 1979
Origin: From the French "savoir faire" [savwah fehrr] = "to know...
To be "Left Alone" or "Let Do" as in, let it do as it pleases. It's also a government term with the same meaning that refers to an economy much like the United States' market economy. Meaning there...
Faire:
- To do
or
- To make
There are some French expressions that do not follow exactly "to do" or "to make".
For example:
Il fait attention.
He pays attention.
Il fait...