Lack of doubt (9)
I believe the answer is:
certitude
(Other definitions for certitude that I've seen before include "A feeling of conviction, given rectitude" , "One's sure" , "Feeling of surety" , "Something about which one is sure" .)
I believe the answer is:
certitude
(Other definitions for certitude that I've seen before include "A feeling of conviction, given rectitude" , "One's sure" , "Feeling of surety" , "Something about which one is sure" .)