certainty
noun
[ ˈsəːt(ə)nti ]
• firm conviction that something is the case.
• "she knew with absolute certainty that they were dead"
Similar:
confidence,
sureness,
positiveness,
conviction,
certitude,
reliability,
assuredness,
assurance,
validity,
conclusiveness,
authoritativeness,
truth,
fact,
factualness,
Origin:
Middle English: from Old French certainete, from certain (see certain).
