1.
[syn: documentation, certification, corroboration]
The Collaborative International Dictionary of English v.0.48:
Corroboration \Cor*rob`o*ra"tion\ (k?r-r?b`?-r?"sh?n), n. [Cf.
F. corroboration.]
1. The act of corroborating, strengthening, or confirming;
addition of strength; confirmation; as, the corroboration
of an argument, or of information.
[1913 Webster]
2. That which corroborates.
[1913 Webster]
WordNet (r) 3.0 (2006):
corroboration
n 1: confirmation that some fact or statement is true through
the use of documentary evidence [syn: documentation,
certification, corroboration]