Explanation:

- Titivate: To make something neater or more attractive.

- Option 1: Make smart or attractive

- This means to enhance appearance or tidiness.

- It aligns closely with the definition of titivate.

- Correct Answer

- Option 2: Encourage

- Means to give support or confidence.

- It is unrelated to titivate.

- Option 3: Explore

- To investigate or examine.

- Does not match with titivate’s meaning.

- Option 4: Revenge

- The act of retaliating.

- Not related to enhancing appearance.