graduation
     n 1: the successful completion of a program of study
     2: an academic exercise in which diplomas are conferred [syn: {commencement},
         {commencement exercise}, {commencement ceremony}, {graduation
        exercise}]
     3: a line (as on a vessel or ruler) that marks a measurement;
        "the ruler had 16 graduations per inch"
     4: the act of arranging in grades [syn: {gradation}]
Source: WordNet® 2.0