Proven beyond doubt (7)
I believe the answer is:
certain
(Other definitions for certain that I've seen before include "Sure, definite" , "bound" , "Known beyond doubt" , "Nice art (anag)" , "Assured" .)
I believe the answer is:
certain
(Other definitions for certain that I've seen before include "Sure, definite" , "bound" , "Known beyond doubt" , "Nice art (anag)" , "Assured" .)