Noun
adequacy -
the quality of being able to meet a need satisfactorily: "he questioned the adequacy of the usual sentimental interpretation of the Golden Rule"
adequateness
inadequateness ,
inadequacy unsatisfactoriness by virtue of being inadequate
equal ,
adequate having the same quantity, value, or measure as another; "on equal terms" ; "all men are equal before the law"
satisfactoriness the quality of giving satisfaction sufficient to meet a demand or requirement
adequacy -
the quality of being sufficient for the end in view; "he questioned the sufficiency of human intelligence"
sufficiency
deficiency ,
inadequacy ,
insufficiency unsatisfactoriness by virtue of being inadequate
quality an essential and distinguishing attribute of something or someone; "the quality of mercy is not strained" --Shakespeare