2. To make more certain; to confirm; to establish. The concurrence of all corroborates the same truth. I. Taylor.

CORROBORATE
Cor*rob"o*rate (-rt), a.

Defn: Corroborated. [Obs.] Bacon.

CORROBORATION
Cor*rob`o*ra"tion (kr-rb`-r"shn), n. Etym: [Cf. F. corroboration.]

1. The act of corroborating, strengthening, or confirming; addition of strength; confirmation; as, the corroboration of an argument, or of information.

2. That which corroborates.

CORROBORATIVE
Cor*rob"o*ra*tive (kr-rb"-r-tv), a. Etym: [Cf. F. corroboratif.]

Defn: Tending to strengthen of confirm.

CORROBORATIVE
Cor*rob"o*ra*tive, n.

Defn: A medicine that strengthens; a corroborant. Wiseman.