205 ILCS 205/1007.10
"Appraisal" means a professionally derived written conclusion of the value of the present worth of specified interests or rights in a specific piece of real property, which conclusion is supported by stipulated market conditions and explicitly stated assumptions as of a particular point in time and made for a specified party.
(from Ch. 17, par. 7301-7.10)
(Source: P.A. 86-1213.)