Es gab vielerlei Gründe für seine Entscheidung.

There were various reasons for his decision.

Es gab vielerlei Gründe für seine plötzliche Abreise.

There were many different reasons for his sudden departure.

In dem Laden werden vielerlei Gewürze aus aller Welt angeboten.

The shop offers many kinds of spices from all over the world.