corroboratev. t.[L. corroboratus, p. p. of corroborare to corroborate; cor- + roborare to strengthen, robur strength. See Robust.]1. To make strong, or to give additional strength to; to strengthen.()As any limb well and duly exercised, grows stronger, the nerves of the body are corroborated thereby. (I. Watts.)2. To make more certain; to confirm; to establish.()The concurrence of all corroborates the same truth. (I. Taylor.)a. Corroborated.(Bacon.)