adequateness adequateness /ˈædɪkwətnəs/

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