"Trialists" is a term that is mainly associated with sports. It is used to describe the athletes who are given a chance to prove their abilities and skill during a trial period before they are permanently recruited to a team. However, there are several other words that can be used as synonyms for "trialists." Some of these include "candidates," "applicants," "contenders," "aspirants," and "hopefuls." Each of these words conveys the same notion that the individuals are seeking an opportunity to demonstrate their abilities and secure a position. These synonyms can be used interchangeably to describe those who are undergoing a trial or selection process.