'Reconfirm' definitions:
Definition of 'reconfirm'
From: WordNet
verb
Confirm again; "You must reconfirm your flight reservations"
Definition of 'Reconfirm'
From: GCIDE
- Reconfirm \Re`con*firm"\ (r[=e]`k[o^]n*f[~e]rm"), v. t. [Pref. re- + confirm: cf. F. reconfirmer.] To confirm anew. --Clarendon. [1913 Webster]