Correct Answer: Separate

Solution : The fourth option is correct.

Explanation: The word integrate means to combine or unify different elements into a whole. It is often used in the context of bringing things together. The antonym separate signifies the opposite action of dividing or keeping things apart. The word separate serves as the most fitting antonym because it represents the opposite action of integrating.

Therefore, the correct antonym is separate.

The meanings of the other options are as follows:

• Influence: This word refers to the capacity to have an effect on someone or something.
• Accept: This word means to agree to receive or undertake something.
• Excite: This word means to evoke a strong emotional reaction, often of enthusiasm or eagerness.