With rigour (8)
I believe the answer is:
strictly
(Other definitions for strictly that I've seen before include "Popularly a TV series" , "In a rigorous manner" , "Stringently or sternly" , "to be completely accurate" , "Exactly, rigidly" .)
I believe the answer is:
strictly
(Other definitions for strictly that I've seen before include "Popularly a TV series" , "In a rigorous manner" , "Stringently or sternly" , "to be completely accurate" , "Exactly, rigidly" .)