Capable of being averted, turned aside, or prevented from happening.
From 'avert' (from Latin 'avertere,' to turn away) + '-able' suffix meaning capable of. Standard formation creating an adjective describing what can be turned away or prevented.
Climate scientists talk about whether disaster is 'avertable'—it's more optimistic than 'inevitable' but more cautious than 'easily fixed.' It acknowledges that bad outcomes are contingent, not fate.
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