WordWeb Online

1. Establish or strengthen as with new evidence or facts
   "his story corroborated my doubts";
   - confirm, sustain, substantiate, support, affirm
    
2. Give evidence for
   - validate
    
3. Back up with evidence or authority or make more certain or confirm
   - underpin, bear out, support

Derived forms: corroborated, corroborates, corroborating

Type of: agree, check, confirm, correspond, fit, gibe, jibe, marry, marry up, match, reassert, tally

Encyclopedia: Corroborate