Your Happy Word is "Laughter"
You are happy because you are able to laugh at life. You believe that everything has a lighter side.
You try to take a broad perspective and keep everything in context. You can always make lemons out of lemonade.
You never take yourself too seriously, and you are able to laugh at any jokes at your expense.
You let yourself make mistakes, and because of that, you find it quite easy to be cheerful.