"Yus" is an informal and often used slang term for "yes". However, there are several other synonyms that could be used instead of yus. These include "yeah", "sure", "absolutely", "indeed", "certainly", "definitely" and "okay". These words are often used in daily conversations while agreeing with someone, affirming a statement or showing consent to something. It is important to know a variety of synonyms so that one can use them appropriately in different situations. By using different synonyms for "Yus" the conversation can become more interesting and varied.