Bedeutung von “so” im Essential American English Dictionary

so

conjunction us /soʊ/

A2 used to say that something is the reason why something else happens:

I was tired so I went to bed.
Greg had some money so he bought a bike.
so (that)

B1 in order to make something happen or be possible:

He put his glasses on so that he could see the television better.

(Definition von “so conjunction” aus dem Webster's Essential Mini Dictionary © Cambridge University Press)