Smoothly (6)
'smoothly' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for evenly that I've seen before include "In measured or level manner" , "Smoothly, regularly" , "Smoothly, uniformly" , "constant rate" , "in regular fashion" .)
'smoothly' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for legato that I've seen before include "with smooth execution" , "Smoothly flowing (music)" , "(Music) without breaks between notes" , "In music, the opposite of staccato" , "In music, in a smooth even manner" .)
(Another definition for equably that I've seen is " In an even-tempered and calm manner".)