re·ne·go·ti·ate 
(rē′nĭ-gōshē-āt′)
(rē′nĭ-gōshē-āt′)tr.v. re·ne·go·ti·at·ed, re·ne·go·ti·at·ing, re·ne·go·ti·ates
1. To negotiate anew.
2. To revise the terms of (a contract) so as to limit or regain excess profits gained by the contractor.
re′ne·goti·a·ble (-shē-ə-bəl, -shə-bəl) adj.
re′ne·go·ti·ation n.