Synonyms for President (same or very similar meaning)
WordNet sense 1 (the officer who presides at the meetings of an organization):
chair, chairman, chairperson, chairwoman
WordNet sense 2 (the head administrative officer of a college or university):
prexy
WordNet sense 3 (the person who holds the office of head of state of the United States government):
President of the United States, Chief Executive, United States President
From the ODE community, based on WordNet
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