Demonstrated (5)
'demonstrated' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for shown that I've seen before include "Displayed" , "Demonstrated" , "Explained" , "Exhibited" .)
'demonstrated' is the definition.
('march' can be a synonym of 'demonstrate')
This is all the clue.
(Other definitions for marched that I've seen before include "Moved with measured strides" , "Walked with measured strides" , "took part in moving protest" , "Walked in step" .)
'demonstrated' is the definition.
('prove' can be a synonym of 'demonstrate')
This is all the clue.
(Another definition for proved that I've seen is " Established beyond doubt".)