1. For that reason; therefore: This is the easiest way to get there, so don't argue. 2. With the result or consequence that: He failed to appear, so we went on without him. 3. With the purpose that: I stayed.
You use so when you are saying that something which has just been said about one person or thing is also true of another one. I enjoy Ann's company and so does Martin.
So is an English word that, apart from its other uses, has become increasingly popular in recent years as a coordinating conjunctive opening word in a sentence.
Understand the different meanings and uses of the English word “so”, and whether it implies consequence, purpose, or similarity. Clear rules and examples make it easy to avoid misunderstanding.