Capable of being adopted; suitable for being taken up, accepted, or legally made part of a family.
From adopt + -able suffix meaning 'capable of being.' The -able suffix comes from Latin -abilis and transforms verbs into adjectives describing possibility or suitability.
A child being 'adoptable' means they're legally available for adoption—but the word itself is neutral and factual, whereas culturally it's loaded with hope for people wanting to be parents.
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