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improbation

noun
im·​pro·​ba·​tion | \ˌimprōˈbāshən\

Definition of improbation 

1 archaic : disapproval

2 [ Latin improbation-, improbatio ] Scots law : an act by which falsehood and forgery are proved : an action brought for the purpose of having some instrument declared false or forged

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History and Etymology for improbation

Middle French, from Latin improbation-, improbatio disapprobation, from improbatus (past participle of improbare to disapprove, from in- in- entry 1 + probare to examine, approve, prove) + -ion, -io -ion

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