Insidiously manipulate (8)
I believe the answer is:
gaslight
(Other definitions for gaslight that I've seen before include "that was illuminating for Fanny" , "source of illumination" , "Bergman film" , "Old form of illumination" , "Old film" .)
I believe the answer is:
gaslight
(Other definitions for gaslight that I've seen before include "that was illuminating for Fanny" , "source of illumination" , "Bergman film" , "Old form of illumination" , "Old film" .)