Sentence:  The daughter replied , `` Oh , I had dinner with - well , you do n't <WSD>know</WSD> him but he 's awfully nice - and we went to a couple of places - I do n't suppose you 've heard of them - and we finished up at a cute little night club - I forget the name of it . 
Meaning of the word marked with <WSD> tags:  be familiar or acquainted with a person or an object