The state of being certain. / An instance of being certain. / A fact or truth unquestionably established.

plural of certainty

A racehorse considered certain to win / (by extension) Anything considered certain to happen; a sure thing

superlative form of certain: most certain

plural of racing certainty

A conviction so justifiable that one is morally entitled to act on it.

plural of moral certainty

the law principle, which holds that the law must provide those subject to it with the ability to regulate their conduct

plural of certainty equivalent

(finance) The guaranteed amount of money that an investor regards as equally desirable as a risky asset.