Conclusive
Conclusive , adjective
[Compare French conclusif.]
Belonging to a close or termination; decisive; convincing; putting an end to debate or question; leading to, or involving, a conclusion or decision.
Secret reasons... equally conclusive for us as they were for them.
Collocations (2)
Conclusive evidence (Law) , that of which, from its nature, the law allows no contradiction or explanation.
Conclusive presumption (Law) , an inference which the law makes so peremptorily that it will not allow it to be overthrown by any contrary proof, however strong.