certainty
Webster 1828
CERTAINTY, noun 1. A fixed or real state; truth; fact.Know for a certainty that the Lord your God will no more drive out these nations. Joshua 23:13. Luke 1:4.2. Full assurance of mind; exemption from doubt.CERTAINTY is the perception of the agreement or disagreement of our ideas.3. Exemption from failure; as the certainty of an event, or of the success of a medicine.The certainty of punishment is the truest security against crimes.4. Regularity; settled state