From Longman Business Dictionary
methodmeth·od /ˈmeθəd/ noun [countableC] a planned way of doing something, especially one that a lot of people usemethod ofIt is best to consider all methods of figuring your annual income tax before deciding on any one option.
method forA buy-and-try policy is a suitable method for examining new convenience products.
→ ABC method → declining balance method → depreciation method → straight line method