This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. The fact, quality, or state of being certain: the certainty of death.

n. Something that is clearly established or assured: "On the field of battle there are no certainties” ( Tom Clancy).

n. The state of being certain.

n. An instance of being certain.

n. The quality, state, or condition, of being certain.

n. A fact or truth unquestionable established.

n. Clearness; freedom from ambiguity; lucidity.

n. The quality or fact of being certain, fixed, determinate, or sure; the possession, as by a judgment or proposition, of certain marks which place it in the class of true propositions; exemption from failure or liability to fail; infallibility; inevitability: as, the certainty of an event, or of the success of a remedy.

n. A clearly established fact, truth, or state; that which is positively ascertained, demonstrated, or intuitively known, or which cannot be questioned.

n. That which is sure to be or occur; an assured event or result; an unerring forecast.

n. Full assurance of mind; exemption from doubt; certitude.

n. Same as certain, 3.

n. the state of being certain

n. something that is certain

"The other, which we call the certainty of adherence, is when the heart doth cleave and stick unto that which it doth believe."

objective certainty    demonstrative (or derivative) certainty    principle of certainty    intuitive certainty    subjective certainty    of a certainty    empirical certainty    immediate certainty    esthetic certainty    moral certainty   

certain   

clearness    lucidity    fixity    definiteness    unquestionableness   

uncertainty   

assurance    conviction    clearness    precision    confidence    satisfaction    simplicity    sincerity    rapidity    apprehension