Explanation:

- In the given sentence, "The plan is to demolish the kitchen area and build a new room," the word "demolish" means to completely destroy or tear down.

- Option 1: Forge - This means to create or form, often by heating and shaping metal. It does not relate to destruction.

- Option 2: Refurbish - This means to renovate or make improvements. It implies enhancement, not destruction.

- Option 3: Raze - This means to completely destroy a building, making it the most appropriate synonym for "demolish."

- Option 4: Curtail - This means to reduce or limit something. It doesn't fit the context of complete destruction.