certus

Definitiones

1. certain
   adjective, declension-1, declension-2
2. fixed, settled, firm
   adjective, declension-1, declension-2
3. resolved, determined
   adjective, declension-1, declension-2
4. sure
   adjective, declension-1, declension-2

Aequivalentia

Exempla

“In amōre, haec omnia īnsunt vitia: iniūriae, suspīciōnēs, inimīcitiae, indūtiae, bellum, pāx rūrsum: incerta haec sī tū postulēs ratiōne certa facere, nihilō plūs agās”

In love, all these flaws are present: wrongs, suspicions, enmities, truces, war, [and] peace again: if you should desire to make these uncertain [things] certain by reasoning, you would accomplish no more than if you made some effort — by way of reason — to become insane.

“certum est mihi [+ infinitive]”

it is my decision to..., I am resolved to..., I mean...

Gradus CEFR