Capable of being avouched; able to be asserted, vouched for, or guaranteed as true.
From avouch + -able (suffix meaning 'capable of'). Follows standard English adjective formation by adding the suffix -able to a verb.
What makes something 'avouchable' is interesting—it's not just whether it's true, but whether someone with credibility and authority is willing to stake their reputation on it. In a world of misinformation, being avouchable means being backed by trustworthy evidence.
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