Correct Answer: Panacea

Solution : The correct choice is the fourth option.

Explanation:

The word remedy means a specific solution for a problem or a cure for a disease. The word panacea is the correct answer , which means a solution or remedy for all difficulties or diseases. Thus, it is similar in meaning to the given word.

The meanings of the other options are as follows:

• Parochial means having a limited or narrow outlook.
• Tablet means a flat slab of stone, clay, or wood, used especially for inscriptions.
• Plagiarism means taking someone else's work or ideas and passing them off as one's own.