existimator

existĭmātor ( existŭm- ), ōris, m. [id.], a judge of any thing, a critic (rare but class.):

ut existimatores videamur loqui, non magistri,

Cic. Or. 31, 112:

doctus et intellegens,

id. Brut. 93, 320; cf.: intellegens dicendi. id. ib. 54, 200:

stultus alieni artificii,

id. de Or. 3, 22, 83:

non levis,

Gell. 20, 1, 10:

existimator metuendus (opp. admirandus orator),

Cic. Brut. 39, 146.