This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. One who debates or participates in a debate; one who argues.

n. One who debates; one given to argument; a disputant; a controvertist.

n. One who strives or contends; a fighter; a quarreler.

n. One who debates; a disputant; a wrangler.

n. someone who engages in debate

"What makes Christopher Hitchens such a capable and persuasive debater is a mixture of his ides, arguments, and charm."

disputant    controversialist    eristic   

disprover    devil's advocate    wrangler    refuter    confuter    rebutter   

disputant    controvertist   

Crater    Creator    Decatur    Equator    Lemaitre    Mercator    Pater    Slater    amphitheater    amphitheatre   

tactician    diplomatist    strategist    reasoner    pleader    jurist    orator    logician    parliamentarian    marksman