adequateness(n = noun.attribute) adequacy - the quality of being able to meet a need satisfactorily:; "he questioned the adequacy of the usual sentimental interpretation of the Golden Rule"
is a kind of satisfactoriness
Derived forms adjective adequate₁, adjective adequate₃, adjective adequate₂

   The quality of being adequate; suitableness; sufficiency; adequacy. [1913 Webster]