/saʊnd/ – adjective
Definition: 1. có quan hệ đến điều gì đó, có mục đích là;
2. biện luận;
3. sáng suốt, tỉnh táo;
4. đúng đắn, có cơ sở, có giá trị;
5. có khả năng thanh toán.
A more thorough explanation: In legal terms, the word “sound” typically refers to something that is valid, legally binding, or free from defects. It can also refer to a person’s mental or physical condition being healthy and in good order.
Example: The court found that the contract was sound and enforceable, as it met all the necessary legal requirements.