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Synonyms for Characterization (same or very similar meaning)

WordNet sense 1 (a graphic or vivid verbal description):
delineation, depiction, picture, characterisation, word-painting, word picture

WordNet sense 2 (acting the part of a character on stage; dramatically representing the character by speech and action and gesture):
enactment, portrayal, personation

From the ODE community, based on WordNetadd/edit