Value (noun)

1. The worth of something in terms of the amount of other things for which it can be exchanged or in terms of money.
2. The usefulness or importance of something.
3. A person or thing having worth or merit.
4. A principle or standard of behavior.
5. A numerical quantity indicating relative magnitude of a characteristic or property.

Origin:

Middle english, from old french, from latin valūta, from valēre to be strong, be worth.

Examples:

1. The value of the stock has increased.
2. She places a high value on her education.
3. He is a valuable asset to the company.
4. Honesty is a value that is highly regarded.
5. The value of the variable in the equation is 10.