The quality or state of being able to be confirmed, verified, or proven true.
From 'confirm' (Latin 'confirmare,' to make firm or establish) plus '-able' (capable of being) plus '-ity' (abstract noun suffix). Built in layers to express the capacity for confirmation.
Scientific theories are valued partly for their 'confirmability'—the ability to be tested and verified. This concept became central to philosophy of science, where scientists distinguish between ideas that can be confirmed and those that simply cannot be checked.
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