so

adverb:to such a great extent
- The movie was so good that we watched it twice.
conjunction:and for this reason; therefore
- It was raining, so we decided to stay indoors.
adverb:in the way described or demonstrated
- Hold the brush just so for the best results.
conjunction:used to introduce a statement that follows logically or is a conclusion
- So, we are all in agreement on the plan.