definition
To the (explicitly stated) extent that.
example
It was so hot outside that all the plants died. He was so good, they hired him on the spot.
definition
To the (implied) extent.
example
I need a piece of cloth so long. [= this long]
definition
In a particular manner.
example
Place the napkin on the table just so. If that's what you mean, then say so; (or do so).
definition
In the same manner or to the same extent as aforementioned; also.
example
Just as you have the right to your free speech, so I have the right to mine. Many people say she's the world's greatest athlete, but I don't think so. "I can count backwards from one hundred." "So can I."
definition
With as To such an extent or degree; as.
example
so far as; so long as; so much as