so

(used to introduce a logical conclusion) from that fact or reason or as a result.

“the witness is biased and so cannot be trusted”

In the way indicated.

“hold the brush so”

In truth (often tends to intensify).

“he did so do it!”

Subsequently or soon afterward (often used as sentence connectors).

“and so home and to bed”

To a very great extent or degree.

“the idea is so obvious”

“never been so happy”

The syllable naming the fifth (dominant) note of any musical scale in solmization.