Source : Webster's Revised Unabridged Dictionary (1913)

Dismissal \Dis*miss"al\, n.
   Dismission; discharge.

         Officeholders were commanded faithfully to enforce it,
         upon pain of immediate dismissal.        --Motley.

Source : WordNet®

dismissal
     n 1: a judgment disposing of the matter without a trial [syn: {judgment
          of dismissal}, {judgement of dismissal}]
     2: official notice that you have been fired from your job [syn:
         {dismission}, {pink slip}]
     3: permission to go; the sending away of someone
     4: the termination of someone's employment (leaving them free
        to depart) [syn: {dismission}, {discharge}, {firing}, {liberation},
         {release}, {sack}, {sacking}]