DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   understanding
       adj 1: characterized by understanding based on comprehension and
              discernment and empathy; "an understanding friend"
       n 1: the cognitive condition of someone who understands; "he has
            virtually no understanding of social cause and effect"
            [syn: understanding, apprehension, discernment,
            savvy]
       2: the statement (oral or written) of an exchange of promises;
          "they had an agreement that they would not interfere in each
          other's business"; "there was an understanding between
          management and the workers" [syn: agreement,
          understanding]
       3: an inclination to support or be loyal to or to agree with an
          opinion; "his sympathies were always with the underdog"; "I
          knew I could count on his understanding" [syn: sympathy,
          understanding]
       4: the capacity for rational thought or inference or
          discrimination; "we are told that man is endowed with reason
          and capable of distinguishing good from evil" [syn: reason,
          understanding, intellect]