DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   potent
       adj 1: having great influence [syn: potent, powerful]
       2: having or wielding force or authority; "providing the ground
          soldier with increasingly potent weapons" [syn: potent,
          strong]
       3: having a strong physiological or chemical effect; "a potent
          toxin"; "potent liquor"; "a potent cup of tea", "a stiff
          drink" [syn: potent, strong, stiff] [ant: impotent]
       4: (of a male) capable of copulation [syn: potent, virile]
          [ant: impotent]