Say the summit meeting has a serious purpose rather than being mostly for show.

At the same time, it has a serious literary purpose.

He is a man of high morals and serious purpose.

But if the club has a more serious, intellectual purpose, then members should read the books and focus on the topics at hand.

But despite its serious purpose, the place has a delightful holiday air.

We need a man of serious purpose, unmatched experience, knowledge and ability.

But it still does not behave much like a river with any very serious purpose in life.

They should only be set up to serve a serious purpose.

But behind the "offer," no doubt, was a serious purpose.

If the book didn't have an ultimately serious purpose, one would be tempted to say it was all too much.