The quality or state of being convictive; the power or capacity to convict or establish guilt.
From 'convictive' plus the suffix '-ness' (the quality of being). This rare noun would describe the strength of evidence in proving someone guilty.
The 'convictiveness' of DNA evidence in a criminal trial is so powerful that it has literally freed hundreds of innocent people AND convicted countless guilty ones—one piece of science, two opposite outcomes!
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