noun approbation.
2. approvement ·noun improvement of common lands, by inclosing and converting them to the uses of husbandry for the advantage of the lord of the manor.
3. approvement ·noun a confession of guilt by a prisoner charged with treason or felony, together with an accusation of his accomplish and a giving evidence against them in order to obtain his own pardon. the term is no longer in use; it corresponded to what is now known as turning king's (or queen's) evidence in england, and state's evidence in the united states.