Told Rod Reed to reform (7)
I believe the answer is:
ordered
'told' is the definition.
(given orders)
'rod reed to reform' is the wordplay.
'to reform' is an anagram indicator (letters in a new form).
'rod'+'reed'='rodreed'
'rodreed' is an anagram of 'ORDERED'.
(Other definitions for ordered that I've seen before include "Told" , "Requisitioned" , "Regulated" , "Settled, tidy" , "Gave instruction, commanded" .)