The term "forty niners" is commonly associated with the gold rush era of California in the 19th century. However, there are several synonyms that can be used to refer to the same group of people. These synonyms include gold seekers, gold rushers, prospectors, gold diggers, miners, and pioneers. Each of these terms portray the essence of the group, which was their search for gold and the adventurous spirit that drove many to undertake the challenging journey. These synonyms provide a varied and colorful way to refer to a significant point in American history, iconic of the spirit that built the country.