Certainty (?), n.; pl. Certainties (#). [OF. certaineté.] 1. The quality, state, or condition, of being certain.[1913 Webster]
The certainty of punishment is the truest security against crimes.
2. A fact or truth unquestionable established.[1913 Webster]
Certainties are uninteresting and sating.
3. (Law) Clearness; freedom from ambiguity; lucidity.[1913 Webster]
Of a certainty, certainly.[1913 Webster]