Reasons (9)
There are a few possibilities for this:
rationale
'reasons' is the definition.
(grounds or reasons for an action)
This is all the clue.
(Other definitions for grounds that I've seen before include "justification" , "Area of enclosed land around a building" , "enclosure around house" , "Coffee sediment" , "Reasons" .)
'reasons' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for motives that I've seen before include "inducements" , "They're why" , "Reasons for action" .)
'reasons' is the definition.
(deducing is a kind of reasoning)
This is all the clue.
'reasons' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for rationale that I've seen before include "The logical basis of some thing or action" , "explanation" , "Logical reasons (for action)" , "Philosophy" , "This might account for" .)