Here are some possible translations:
* ความสุข (kwahm sùk): This is the most common and general term for "joy" or "happiness."
* ความยินดี (kwahm yin di): This is closer to "delight" or "pleasure," often used for joyful occasions like weddings or celebrations.
* ความสนุก (kwahm sà-nùk): This means "fun" or "enjoyment," referring to a feeling of excitement and amusement.
* ความเบิกบาน (kwahm bə̀ik baan): This translates to "cheerfulness" or "lightheartedness," suggesting a feeling of brightness and happiness.
The best translation for "joy" will depend on the specific situation and the nuance you want to convey.