aestimator
From LSJ
ἂν βούλησθε ἀκούειν καί μοι περιουσία ᾖ τοῦ ὕδατος → if you care to hear and if the water in the water-clock holds out, if you care to hear and if I have time enough for speaking
Latin > English (Lewis & Short)
aestĭmātor: ōris, m. aestimo.
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.