DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   deter
       v 1: try to prevent; show opposition to; "We should discourage
            this practice among our youth" [syn: deter, discourage]
       2: turn away from by persuasion; "Negative campaigning will only
          dissuade people" [syn: dissuade, deter] [ant: persuade]