DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   acceptable
       adj 1: worthy of acceptance or satisfactory; "acceptable levels
              of radiation"; "performances varied from acceptable to
              excellent" [ant: unacceptable]
       2: judged to be in conformity with approved usage; "acceptable
          English usage"
       3: meeting requirements; "the step makes a satisfactory seat"
          [syn: satisfactory, acceptable]
       4: adequate for the purpose; "the water was acceptable for
          drinking"