名詞 refutation:

1. the speech act of answering an attack on your assertions
   同義詞：defense, defence
2. any evidence that helps to establish the falsity of something
   同義詞：disproof, falsification
3. the act of determining that something is false
   同義詞：falsification, falsifying, disproof, refutal

1. A person engaged in or inclined to controversy, argument, or refutation.
   辯論者; 爭辯者從事或喜歡爭辯、辯論或駁斥的人

ref.u.ta.tion

n.（名詞）
The act of refuting.
駁斥：駁斥的行為
Something, such as an argument, that refutes someone or something.
駁斥物：如論據(jù)等可供駁斥某人或某物的東西