decisive, conclusive, final, categorical, absolute, imperative, ultimate, binding

absolutely, finally, categorically

which is definitely proven

(Order) which is sure to be issued

tailor's measuring stick, tailor's yardstick, tailor's measure

logical in every way, full of argument

the one who counter the arguments with logic, the real indicator

conclusive proof

vital defect

a definite or conclusive answer

final or explicit order, the last judgment