They're hard to find. Well, ones that have been made in recent years at least. Some would argue that the Star Wars, Harry Potter and so forth are good family movies, and I'm not disagreeing with that.
When I think of a GOOD FAMILY MOVIE, I'm thinking more along the lines of something that a family with the ages of 0 - 99 can sit down together, and no one will be insulted or concerned with any of the material.
Big Fish the other day pretty much fit the bill. Today though, my family is adding another to the list. Secondhand Lions fits wonderfully into the good family movie category.