1) Capable of estimating 2) Estimated 
• (a.) Inclined, or able, to estimate; serving for, or capable of being used in, estimating. • (a.) Pertaining to an estimate.
Es'ti·ma·tive adjective [ Confer French estimatif .] 1. Inclined, or able, to estimate; serving for, or capable of being used in, estimating. « We find in animals an estimative or judicial faculty.» Sir M. Hale. 2. Pertaining to an estimate. [ R.]
capable of estimating. · pertaining to or based upon estimation; estimated.