In the context of making ethical decisions, knowing what actions are morally defensible is referred to as

It's called a moral Judgment

In this context, we don't make a decision based on what will benefit us the most, we make it because it's the right thing to do

For example we just found out that our company's waste is destroying the environment. If we're using our moral judgement, we will immediately stopped all productions despite the loss it may bring to our company