Certainty vs. Certitude — What's the Difference?

Certainty (also known as epistemic certainty or objective certainty) is the epistemic property of beliefs which a person has no rational grounds for doubting. One standard way of defining epistemic certainty is that a belief is certain if and only if the person holding that belief could not be mistaken in holding that belief.

The state of being certain or convinced of something; complete assurance; confidence

Inevitability

Something that is assured or believed to be true

The quality of being established as true

(uncountable) Sureness, certainty.

Confidence; assurance

(countable) Something that is a certainty.

Something that is clearly established or assured

Freedom from doubt; assurance; certainty.

The state of being certain.

Total certainty or greater certainty than circumstances warrant

An instance of being certain.

A fact or truth unquestionably established.

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

A fact or truth unquestionable established.

Clearness; freedom from ambiguity; lucidity.

The state of being certain;

Something that is certain;