Definition: the quality of being able to meet a need satisfactorily: "he questioned the adequacy of the usual sentimental interpretation of the Golden Rule"
Similar words: satisfactoriness
Definition: the quality of giving satisfaction sufficient to meet a demand or requirement
Definition: the quality of being sufficient for the end in view
Usage: he questioned the sufficiency of human intelligence
Similar words: quality
Definition: an essential and distinguishing attribute of something or someone
Usage: the quality of mercy is not strained--Shakespeare