The Collaborative International Dictionary of English v.0.48:

Reconsideration \Re`con*sid`er*a"tion\ (-?"sh?n), n.
   The act of reconsidering, or the state of being reconsidered;
   as, the reconsideration of a vote in a legislative body.
   [1913 Webster]

WordNet (r) 3.0 (2006):

reconsideration
    n 1: a consideration of a topic (as in a meeting) with a view to
         changing an earlier decision
    2: thinking again about a choice previously made; "he had second
       thoughts about his purchase" [syn: reconsideration, second
       thought, afterthought, rethink]