Preventive war is a term that refers to a military action taken to prevent an imminent threat or attack from a perceived threat. However, this term has been debated and criticized as it can be used as a justification for aggressive actions that may not be based on clear evidence or justification. There are several synonyms for this term, including preemptive war, anticipatory self-defense, and preclusive war. These terms refer to military actions taken in anticipation of a future threat or attack, and they are often used interchangeably with preventive war. Nonetheless, it is important to consider the context and motivation behind such actions to avoid unnecessary conflict and ensure global peace and stability.