Webster’s Revised Unabridged Dictionary · 1913
Estimative
Es′ti·ma·tive, a. [Cf. F. 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.]