A remedy believed to cure all diseases and prolong life that was originally sought by alchemists; a cure-all.

Question

Accepted Answer

The correct answer is Option 1: Panacea. Here's why:

*   **Panacea:** A panacea is defined as a remedy or medicine that is believed to cure all diseases or ailments. This aligns perfectly with the question's description of a cure-all sought by alchemists to cure all diseases and prolong life. The term "panacea" is directly associated with the concept of a universal cure.

Now, let's examine why the other options are incorrect:

*   **Penal:** "Penal" relates to punishment or penalties, especially those prescribed by law. It has absolutely no connection to cures, remedies, or the pursuit of immortality.

*   **Vigor:** "Vigor" refers to physical strength, energy, and good health. While vigor is desirable, it is not a cure-all for all diseases, nor is it something alchemists specifically sought as a universal remedy. It's a state of being, not a solution to illness.

*   **Enthusiasm:** "Enthusiasm" is intense excitement and interest. While enthusiasm might be present in the pursuit of a cure-all, it is not the cure itself. It's an emotion, not a remedy.

Therefore, only "Panacea" accurately describes a remedy believed to cure all diseases and prolong life, making it the correct answer.