D defs.my
Entry 2 senses Webster, 1913

Improbation

· Im·pro·ba·tion · IPA
01 n. The act of disapproving; disapprobation.
  1. 1.
    The act of disapproving; disapprobation.
  2. 2.
    The act by which falsehood and forgery are proved; an action brought for the purpose of having some instrument declared false or forged.(Scots Law)