The act of voting in an election by impersonating someone else.(noun)
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Use "personation" in a sentence
"'personation' -- it was a mask and a sounding-pipe."
"More vote-rigging using dodgy postal ballots and personation at the polling booths?"
"The corrupt and illegal practices prevention act, 1883, annotated and explained: Notes of judicial decisions in cases of bribery, treating undue influence, personation, etc by H."