adverb
in the way or manner indicated, described, or implied:
Do it so.
in that or this manner or fashion; thus:
So it turned out.
conjunction
in order that (often followed by that):
Check carefully, so any mistakes will be caught.
with the result that (often followed by that):
He checked carefully, so that the mistakes were caught.
pronoun
such as has been stated:
to be good and stay so.
something that is about or near the persons or things in question, as in number or amount:
Of the original twelve, five or so remain.
interjection
(used as an exclamation of surprise, shock, discovery, inquiry, indifference, etc., according to the manner of utterance.)
adjective
true as stated or reported; conforming with reality or the fact:
Say it isn't so.
Ok.