adopinor
From LSJ
σιγᾶν ἄμεινον ἢ λαλεῖν ἃ μὴ πρέπει → it's better to keep silence than to say what's not appropriate (Menander)
Latin > English
adopinor adopinari, adopinatus sum V DEP :: conjecture/surmise/opine/think/suppose (further)
Latin > English (Lewis & Short)
ăd-ŏpīnor: ārei, v. dep.,
I to think, suppose, or conjecture further ( = opinando adicio): adopinamur de signis maxima parvis, Lucr. 4, 816.
Latin > French (Gaffiot 2016)
ădŏpīnor,¹⁶ ārī, tr., conjecturer ; Lucr. 4, 816.