have been around

have been around  {v. phr.},  {informal}

Have been to many places and done many things; know people; have experience and be able to take care of yourself.

Uncle Willie is an old sailor and has really been around.

Betty likes to go out with Jerry, because he has been around.

It's not easy to fool him; he's been around.

Compare: GET AROUND, KNOW ONE'S WAY AROUND.