What is the term for the defendant's response to a plaintiff's complaint?

The term for the defendant's response to a plaintiff's complaint is known as a plea. In legal proceedings, when a plaintiff initiates a lawsuit by filing a complaint, the defendant is required to respond to it. The response can clarify, contest, or admit facts alleged in the complaint. This process provides the court with the necessary information from both sides and sets the stage for further legal proceedings.

In this context, a plea serves as a formal answer to the allegations made by the plaintiff, addressing the issues raised and allowing the defendant to present their side of the story. It is an essential step in the litigation process, as it outlines the defendant's position and can potentially lead to the clarification of issues, establishment of defenses, or even settlement discussions.

Other options represent different legal concepts. A motion involves a request made to the court for a specific ruling or order, while a counterclaim is a claim made by the defendant against the plaintiff in response to the original complaint. A bill of sale is unrelated, as it pertains to the transfer of ownership of goods or property. Understanding the distinct roles these terms play within legal proceedings is crucial for grasping how the litigation process unfolds.