Cor-rŏb'o-rāte1, v. t.
[imp. & p. p. CORROBORATED; p. pr. & vb. n. CORROBORATING.] [Lat. corroboratus, p. p. of corroborare, from con and roborare, to strengthen, from robur, strength; Fr. corroborer, Sp. corroborar, It. corroborare.
Sense 1. To make strong, or to give additional strength to; to strengthen. [Obs.]
As any limb . . . duly exercised, grows stronger, the nerves of the body are corroborated thereby. Watts.
Sense 2. To make more certain; to confirm.
The concurrence of all corroborates the same truth. I. Taylor.