Reckoned it's deliberate (10)
I believe the answer is:
calculated
I believe this clue is a double definition.
'reckoned' is the first definition.
('calculate' can be a synonym of 'reckon')
'deliberate' is the second definition.
(synonyms)
'it's' is the link.
(Other definitions for calculated that I've seen before include "Deliberate" , "Done with an eye on the likely consequences" , "Statistics are" , "Worked out" , "purposeful" .)