corroboratory(redirected from corroboratorily)
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tr.v. cor·rob·o·rat·ed, cor·rob·o·rat·ing, cor·rob·o·rates
To strengthen or support with other evidence; make more certain. See Synonyms at confirm.
[Latin corrōborāre, corrōborāt- : com-, com- + rōborāre, to strengthen (from rōbur, rōbor-, strength; see reudh- in Indo-European roots).]
cor·rob′o·ra′tive (-ə-rā′tĭv, -ər-ə-tĭv), cor·rob′o·ra·to′ry (-ər-ə-tôr′ē) adj.
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|Adj.||1.||corroboratory - serving to support or corroborate; "collateral evidence"|
corroborative, substantiating, substantiative, validating, validatory, verificatory, verifying, confirmative, confirmatory, confirming, collateral
supportive - furnishing support or assistance; "a supportive family network"; "his family was supportive of his attempts to be a writer"