adequacy adequacy /ˈædəkwəsi/

noun

1. () The quality of being able to meet a need satisfactorily:  ( adequateness , adequacy )
   the quality of being able to meet a need satisfactorily:
    He questioned the adequacy of the usual sentimental interpretation of the Golden Rule
   he questioned the adequacy of the usual sentimental interpretation of the Golden Rule
   
2. () The quality of being sufficient for the end in view  ( sufficiency , adequacy )
   the quality of being sufficient for the end in view
    He questioned the sufficiency of human intelligence
   he questioned the sufficiency of human intelligence