Truly happy people do not wait for happiness to find them; instead, they bring positivism and happiness to themselves. They understand that their words are the best tools they have to make others happy, which makes them happy too. There are many ways to say you are thankful. Many of the words in your list that reflect appreciation and gratitude. “Thank you” is the most powerful way to do this and for many people it has more power and meaning behind it. For instance; thank you for reading this article!