1. the best/right way of doing something
that's the way to go about solving the problem
'The way to go' is an expression used to say that something is the best method of doing a particular thing. Not to be confused with the expression 'way to go!' which is an American expression to express that someone has done something well or to signal approval. When you say 'that's the way to go', you are expressing that you think the course of action recommended is the best one.