Select the most appropriate synonym of the given word.
Interpret

The correct answer is Clarify.

Explanation:

The word "Interpret" means to explain, clarify, or understand the meaning of something (such as text, data, or an action).

Let's analyze the given options:

1. Complicate: Means to make something more difficult or confusing. This is an antonym, not a synonym.

2. Clarify: Means to make something clear or easier to understand, which aligns directly with the meaning of "interpret". Therefore, this is the correct synonym.

3. Cleanse: Means to clean thoroughly or purify, which is unrelated in meaning.

4. Celebrate: Means to observe a notable day or event with festivities, which is also unrelated in meaning.

Thus, Clarify is the most appropriate synonym for Interpret.