The word that means the same as "remedy" is panacea.

Explanation:

• Remedy: This means a cure or treatment for a disease or problem.
• Plagiarism: This means taking credit for someone else's work.
• Tablet: This can refer to a flat, thin piece of material or a medication in pill form.
• Parochial: This means having a narrow outlook or limited scope.

Therefore, based on the definitions, "panacea" is the closest in meaning to "remedy." A panacea is a universal cure-all, which is similar to the idea of a remedy.