The transition word that would best show a result or conclusion is

As a writer I love to use transition words. A couple that work the best to show result or conclusion are the following.
Therefore, thus, consequently, etc. They all meant he same thing and express 'as a result of'.
Example: Kathryn ate to much pizza, thus she had a stomach ache.

Hope this helps! If you have any other questions or would like further explanation just let me know! :)