First arrivals can be identified using different synonyms depending on the context and situation. For example, in the context of immigration, the term "pioneer" can be used to refer to the first arrival of a group of settlers in a new region or land. Similarly, in the context of business and entrepreneurship, "trailblazers" can be used to describe the first arrivals in a particular industry or market. For sports, "pioneering athletes" or "groundbreakers" can be used to reference the first arrivals who paved the way for future generations. Other synonyms include "original", "pioneering" and "inaugural" which are all used to describe the first arrival of something that is significant or historical.