The word "yays" represents a feeling of happiness or excitement about something. When you want to express this emotion in different ways, you can use a variety of synonyms. Some of these can include "hoorays," "cheers," "yeahs," "welcome," "delight," "congratulations," or "excellent." Each of these words has its own nuances and connotations, so it's important to choose the right one for the situation. Whether you're celebrating a special occasion, achieving a goal, or simply expressing your joy, using a synonym for "yays" can add emphasis and impact to your message.