valuation-n; 2 Senses

Sense Number 1: an appraisal or assessment of the value of something

Commentary: VALUATION[+action][+appraisal][+value]
NOTE: refers to the act of appraising, not the resulting price obtained (Sense 2)
NOTE: implies an actor/agent performs the appraisal

The assessor will need additional information to perform a valuation of your home.
They decided to obtain an independent valuation of the antique credenza.
His valuation of friendship does not seem to be very high.

WordNet 3.0 Sense Numbers: 1

Sense Number 2: the price or value of something

Commentary: VALUATION[+quantity][+sum][+money][+price]
NOTE: refers to a price or quantity, not an act of appraising (Sense 1)

The valuation of this property is much too high.
The valuation of their home increased fifty percent in only three years.
John thinks the valuation of this stock is somewhat deflated.

WordNet 3.0 Sense Numbers: 2