Predestining, which means to determine or decide beforehand, has several synonyms that can be used interchangeably. "Predetermining" and "fate" are two synonyms for predestining, suggesting that certain outcomes are intended or unavoidable. "Destining," "dooming," and "destiny" are other synonyms that can be used, indicating that something is preordained or predetermined. These synonyms often refer to an outside force or power that has ultimate authority over the outcome. Other synonyms for predestining include "deciding," "resolving," and "settling." Each of these words suggests that a decision has been made prior to the occurrence of an event, determining the ultimate result.