The Collaborative International Dictionary of English v.0.48:

Portrayal \Por*tray"al\, n.
   The act or process of portraying; description; delineation.
   [1913 Webster]

WordNet (r) 3.0 (2006):

portrayal
    n 1: a word picture of a person's appearance and character [syn:
         portrayal, portraiture, portrait]
    2: acting the part of a character on stage; dramatically
       representing the character by speech and action and gesture
       [syn: portrayal, characterization, enactment,
       personation]
    3: a representation by picture or portraiture [syn: depicting,
       depiction, portraying, portrayal]
    4: any likeness of a person, in any medium; "the photographer
       made excellent portraits" [syn: portrait, portrayal]
    5: representation by drawing or painting etc [syn: depiction,
       delineation, portrayal]