Originates (6)
'originates' is the definition.
('arise' can be a synonym of 'originate')
This is the entire clue.
(Other definitions for arises that I've seen before include "Gets up or comes up" , "Gets out of bed" , "Comes to notice, like committee business" .)
'originates' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for invents that I've seen before include "Devises, makes up" , "Creates" , "Contrives" , "Originates" , "Conceives" .)