Very probably (6)
'very probably' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for easily that I've seen before include "With little difficulty" , "Without much difficulty" , "with little effort" , "without a hitch?" , "Effortlessly" .)
'very probably' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for doubtless that I've seen before include "Probably, certainly" , "Definitely not" , "Positive" , "Unquestionably" , "Assuredly" .)