Competently (4)
'competently' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for well that I've seen before include "Cockpit" , "Very probably" , "Borehole" , "We shall" , "31 [SPRING]" .)
'competently' is the definition.
(synonyms)
This is the entire clue.
(Other definitions for ably that I've seen before include "Masterfully" , "Competently" , "In a competent fashion" , "well" , "In proficient manner" .)