The word "alii" is a Hawaiian term that refers to chiefs or leaders. There are several synonyms for this word, including "haku," "moʻi," "lani," and "poʻe aliʻi." "Haku" means ruler or master and is used to describe someone who has authority over others. "Moʻi" is similar to "haku," but also implies a divine or sacred status. "Lani" means "heaven" or "sky," and is a term that was used to describe high-ranking chiefs in ancient Hawaii. Finally, "poʻe aliʻi" simply means "people of rank" or "noble ones." All of these words can be used interchangeably with "alii" to describe leaders or chiefs in Hawaiian culture.