While many people go to movies solely to kill time or to be entertained, there are those of us who watch movies to be blown away through a careful balance of cinematic and stylistic elements. My mom is basically the embodiment of all family-values viewers; as long as it's not scandalous, lewd, or profane, and it's entertaining, it's good movie. I, however, am a little more picky when it comes to movies.
When people asked me how I judge a movie, I found it hard to explain my paradigm without sharing a passion with them for great film. I have finally been able to encapsulate my criteria into an analogy. Here goes:
The cinematic experience can easily be likened to a three-course meal at a restaurant. What any person with high food standards should focus on is the experience of the meal, as opposed to simply whether or not the food was good.
Any person, like any moviegoer, has a set of likes and dislikes that they know affect their enjoyment of a meal. Some people have a sweet tooth while others like things a little more salty, for instance. Therefore, they will have looked at the menu and description (trailers, reviews, etc.) before deciding what to eat.
After they've ordered, the first course (act) is placed before them, and the aromas fill the nose and the first glimpse of the food is given. Here, the aromas and appearance of the food should be designed to intrigue, entice, and invite. Does it look appetizing? The first bite should likewise be enjoyable and sensational, and as the first course progresses, the customer should get a feeling for the stylistic themes within the meal, and the chef's touch in what they are eating. They should have an idea of what to expect for the future courses, but nothing should be given away. More importantly, they should be wanting more.
The second course is larger, and stands apart from the first. A real meal needs to have substance and individuality. It should be better than the first, and "wow" the diner. The characters, plot, and script are the real "meat and potatoes" of the meal. The visuals, sound effects, and soundtrack are like the various spices and garnishes: they're only there to add color and make things a little more interesting, and enhance the food; they should never be the focus. This course should have some surprises, but it builds up to the third course.
The third course should be the best course. The chef should have prepared everything whilst keeping in mind what the customer walks away with; the last impression is always the greatest, because it's what you'll remember. This means the customer should have their socks blown off, and this can be for any number of reasons. As far as film goes, maybe it's a realization of a truth, or a brand new perspective on life, or a rush from seeing some seriously intense action, or maybe even warm insides from a cheerful message.
One last thing to consider is a meal's repeat value; if it was a good "one-timer", then it didn't do its job. A great meal can be eaten repeatedly over time, with very little loss of enjoyment.
Don't get me wrong: you don't have to walk away a changed person from a film in order for it to be a cut above the slop of Hollywood mainstream, but it should be a form of art, not just a pastime.