খণ্ডন, অপ্রমাণ, নিরসন, নিরাকরণ, অপোহ, অপনোদন
(1) The speech act of answering an attack on your assertions,any evidence that helps to establish the falsity of something,the act of determining that something is false,rebuttal
(2) The speech act of answering an attack on your assertions
(3) Any evidence that helps to establish the falsity of something
(4) The act of determining that something is false
(5) Rebuttal
defense
refutal
falsification
proof