Fix illegally (3)
I believe the answer is:
rig
'fix illegally' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for rig that I've seen before include "Outfit; fix" , "Arrange the outcome of by means of deceit" , "engineer or > doctor" , "Fit with sails and tackling" , "Oil derrick" .)