familiar

If something is familar to you, you know about it, or you have seen it before, or it feels like you have experienced it previously.

• This seems familar.
• You look familiar.
• You look familiar. Do I know you?
• I’m very familiar with this area. I’ve been here many times.
• I am familiar with the people who live in this area.
• It’s nice to meet someone who is familiar with this type of music.
• Are you familiar with the work of Pablo Picasso?

The word "familiarity" is a noun. When someone has a lot of experience or contact with another person or a thing, we can use the word "familiarity."

• Don was hired to work in Mexico because of his familiarty with the people and their culture.
• Wanda’s familiarity with computers increases her value as an employee.