Corroboratory
Corroboratory adjective - Serving to give support to the truth or factualness of something.
Usage example: offered corroboratory testimony for the defendant's alibi
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Synonyms for Corroboratory
Supplementary and corroboratory are semantically related. In some cases you can use "Supplementary" instead an adjective "Corroboratory".
Supplementary
Supplementary adjective - Available to supply something extra when needed.
Corroboratory and supplementary are semantically related. Sometimes you can use "Corroboratory" instead an adjective "Supplementary".
Mutual synonyms
Cite this Source
Supplementary and Corroboratory. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/corroboratory/supplementary
Corroboratory & Supplementary. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/corroboratory/supplementary>.
Supplementary or Corroboratory. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/corroboratory/supplementary.
Google Ngram Viewer shows how "corroboratory" and "supplementary" have occurred on timeline