Learner's definition of METHOD
1 [count] : a way of doing something
He claims to have developed a new method for growing tomatoes.
Their teaching method tries to adapt lessons to each student.
We need to adopt more modern methods of doing things.
2 [noncount], formal : a careful or organized plan that controls the way something is done
(a) method in/to your madness
◊ If there is method in your madness or (US) (a) method to your madness, there are good reasons for your actions even though they may seem foolish or strange.