|(usually followed by `with`) well informed about or knowing thoroughly.|
I am very much familiar with Khan.
Conversant with business trends.
Familiar with the complex machinery.
He was familiar with those roads.
|Well known or easily recognized.|
A familiar figure.
|A friend who is frequently in the company of another.|
Comrades in arms.
|Having mutual interests or affections; of established friendship.|
On familiar terms.
Pretending she is on an intimate footing with those she slanders.