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