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corroborate 
corroborate definition
cor·robo·rate (kə räb′ə rāt′)
transitive verb corroborated -·rat′ed, corroborating -·rat′·ing
- Obsolete to strengthen
- to make more certain the validity of; confirm; bolster; support evidence to corroborate his testimony
Etymology: < L corroboratus, pp. of corroborare, to strengthen < com-, intens. + roborare < robur, strength: see robust
Related Forms:
- corroboration cor·rob′o·ra′·tion noun
- corroborator cor·rob′o·ra′·tor noun
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