Valuation (noun)

1. The act of estimating the value or worth of something.
2. The process of determining the price or worth of something.

Origin:

Late middle english (in the sense "estimation of the worth of something"): from old french, from latin valuatio(n-), from valuare (see value).

Examples:

1. The valuation of the company was based on its assets and liabilities.
2. The valuation of the property was done by a professional appraiser.
3. The valuation of the antique collection was high due to its rarity.
4. The valuation of the stock market is determined by supply and demand.
5. The valuation of the artwork was subjective and varied among experts.