The Collaborative International Dictionary
Improbation
Improbation \Im`pro*ba"tion\, n. [L. improbatio.]
The act of disapproving; disapprobation.
(Scots Law) The act by which falsehood and forgery are proved; an action brought for the purpose of having some instrument declared false or forged.
--Bell.
Wiktionary
improbation
n. 1 disapproval 2 (context legal Scotland English) The act by which falsehood and forgery are proved; an action brought for the purpose of having some instrument declared false or forged.