Up to perform (4)
I believe the answer is:
able
(Other definitions for able that I've seen before include "Competent, capable" , "Having considerable skill" , "Competent and equipped" , "Efficient" , "See 10" .)
I believe the answer is:
able
(Other definitions for able that I've seen before include "Competent, capable" , "Having considerable skill" , "Competent and equipped" , "Efficient" , "See 10" .)