certainty

noun

1. (countable, uncountable)The state of being certain.

   “with certainty”

   “moral certainty”

   “absolute certainty”

   “She spoke with complete certainty.”

   “There is no certainty that the plan will succeed.”

2. (countable, uncountable)An instance of being certain.
3. (countable, uncountable)A fact or truth unquestionably established.

   “Certainties are uninteresting and sating.”

   “There is a certainty attainable. A certainty of feeling will arise through the very contemplation of Jesus. But there is also attainable a certainty of Reason.”

   “Yet the truth is that City would probably have been coasting by that point if the referee, Michael Oliver, had not turned down three separate penalties, at least two of which could be accurately described as certainties.”