the quality of being able to meet a need satisfactorily:
He questioned the adequacy of the usual sentimental interpretation of the Golden Rule.
source: WordNet 3.0
the quality of being sufficient for the end in view
He questioned the sufficiency of human intelligence.
source: WordNet 3.0
The state or quality of being adequate, proportionate, or sufficient; a sufficiency for a particular purpose; as, the adequacy of supply to the expenditure.
