He looked 'familiar' [=he looked like someone I had seen before] but I couldn't remember his name.
Locals refer to the Maple Leaf restaurant 'familiarly' [='informally'] as ‘The Leaf.’
We are 'familiar with' the situation. [=we know about the situation]
(..) Angela's sending me, uh, an I.D. of the tattoo of this lady, Lissa Bowman, Bethesda, Maryland. Lissa Bowman-- why does that name sound familiar? Huh, maybe you had coffee with her. Ooh. You're good, you know that? Yeah. Mm-hmm. (..)2016 TvShow: Bones Title: The Fight in the Fixer Season: 11 Episode 15
(..) into the occipital lobe. But Yuri is a soccer trainer. That shot was made by an expert marksman. Chief inspector, I'm sure you're familiar... ...with Russian army statute . Well, of course. All members must be... ...expert marksmen... - Expert marksmen. (..)2006 The Pink Panther
(..) ...you will let me interrogate Xania. It's all right, Roland. Hello, inspector. I'm Xania. You do not know this, but I am intimately familiar with your work. You are very kind. Did you say that booth was soundproof? Yes. Now, you were nearby (..)2006 The Pink Panther