Faithfully (5)
I believe the answer is:
truly
(Other definitions for truly that I've seen before include "Really, genuinely" , "with accuracy" , "Indeed" , "Honestly" , "In reality" .)
I believe the answer is:
truly
(Other definitions for truly that I've seen before include "Really, genuinely" , "with accuracy" , "Indeed" , "Honestly" , "In reality" .)