outtalk

from The Collaborative International Dictionary of English v.0.48

Outtalk \Out*talk"\, v. t.
   To overpower by talking; to exceed in talking; to talk down.
   --Shak.
   [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

31 Moby Thesaurus words for "outtalk":
      argue into, bring over, bring round, bring to reason, captivate,
      charm, con, convince, draw over, filibuster, gain, gain over, hook,
      hook in, outlast, outspeak, persuade, prevail on, prevail upon,
      prevail with, sell, sell one on, sway, talk down, talk into,
      talk over, wangle, wangle into, wear down, win, win over