Serving to corroborate or confirm; tending to strengthen or validate a claim, statement, or belief.
From Latin 'corroboratorius,' formed from 'corroborare' plus '-ory' (adjectival suffix), meaning 'that which serves to strengthen or confirm.'
Though largely replaced by 'corroborative' in modern English, 'corroboratory' persists in legal language—this conservative resistance to change in specialized vocabularies preserves historical connections and precise meanings.
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