Explanation:

- The word "allay" means to reduce or alleviate someone's fears or worries.

- Option 1: Relieve

- Meaning: To reduce pain, discomfort, or distress.

- Usage: This aligns well with the intention behind "allay."

- Option 2: Release

- Meaning: To set something or someone free.

- Usage: Doesn't directly relate to reducing fears or worries.

- Option 3: Arrange

- Meaning: To organize or put things in a particular order.

- Usage: This doesn't connect with alleviating concerns.

- Option 4: Allure

- Meaning: To attract or fascinate someone.

- Usage: Not relevant to reducing anxiety or calming someone.

Correct Answer: Option 1 - Relieve