- certain
- decided
- definite
- determined
- resolved
- settled
- sure
- undoubted
Synonyms for certus
- destinatus – determined, firm, resolute, with one's mind made up
- expedio – arranged, clarify, clear, disentangle, explain, ready, set free, set straight, settled, to free from a snare, to release
- liquidus – certain, clear, evident, flowing, fluid, limpid, liquid
- obstinatus – firm, resolute, resolved, staunch
- pervicax – determined
- sedatus – calmed, checked, settled