The word joyful to me, is being careful and happy, without anything weighing you down. I think that joy is the purest kind of happiness because you are carefree and at peace.
To me personally, the word joyful means a positive event or experience I will always treasure in my memory. This can be anything from my first time experiencing the wonder of my favourite book, to my first time traveling or even sharing something important to me with someone close.
