Do you really want to send Webster 1913 a message saying you like their work?
Cor*rob"o*ra*tive (k?r-r?b"?-r?-t?v), a. [Cf. F. corroboratif.]
Tending to strengthen of confirm.
© Webster 1913.
Cor*rob"o*ra*tive, n.
A medicine that strengthens; a corroborant.
Wiseman.