Step 1: Understanding the Concept:
This question asks for the antonym of the noun RANCOR. Rancor is a feeling of bitterness, deep-seated ill will, or resentment.
Step 2: Detailed Explanation:
We are looking for a word that represents the opposite of bitterness and hatred. The opposite would be a feeling of friendliness, kindness, and benevolence.
Let's analyze the options:
\begin{itemize}
\item (A) deference: Humble submission and respect. While positive, it's not the direct opposite of hatred.
\item (B) optimism: Hopefulness and confidence about the future. Unrelated to feelings about others.
\item (C) courage: The ability to do something that frightens one. Unrelated.
\item (D) superiority: The state of being superior. Unrelated.
\item (E) goodwill: A friendly, helpful, or cooperative feeling or attitude. This is the direct antonym of rancor.
\end{itemize}
Step 3: Final Answer:
The best antonym for RANCOR is GOODWILL.