I. One that estimates a thing according to its extrinsic value, a valuer, appraiser: “frumenti,” Cic. Pis. 35 fin.: “callidi rerum aestimatores prata et areas quasdam magno aestimant,” id. Par. 6, 3.—
II. Trop., an estimator or valuer of a thing according to its intrinsic worth (while existimator is a judge): “nemo erit tam injustus rerum aestimator, qui dubitet, etc.,” Cic. Marcell. 5: “justus rerum aestimator,” id. Or. 41: “immodicus aestimator sui,” Curt. 8, 1 al.
