ascertainment

/ˌæsərˈteɪnmənt/
noun
  1. The process or act of finding out something with certainty.
    • The ascertainment of the truth took several weeks of investigation.
    • The committee focused on the ascertainment of the facts before making a decision.
    • Accurate ascertainment of the costs is essential for the budget.
Antonyms
What does "ascertainment" mean? | whatsthatwordmean | whatsthatwordmean