familiar
‘familiar’
If someone or something is familiar, you recognize them because you have seen, heard, or experienced them before.
There was something familiar about him.
Gradually I began to recognize familiar faces.
‘familiar to’
If something is familiar to you, you know it well.
His name is familiar to millions of people.
This problem will be familiar to many parents.
‘familiar with’
If you know or understand something well, you can say that you are familiar with it.
I am of course familiar with your work.
These are statements which I am sure you are familiar with.