When referring to a certain object or concept, it's not uncommon to come across different terms or phrases that can be used interchangeably. The term "initiator element" is no exception to this rule. There are several synonyms that can be used to describe this term, such as starting point, catalyst, beginning, trigger, incentive, spark, instigator, and more. Each of these synonyms has its own nuances and connotations, but they all refer to something or someone that initiates or sets in motion a particular process or action. Therefore, whether you're a linguist or a researcher, it's important to be familiar with the different synonyms of "initiator element".