Definition of "controvert" [con•tro•vert]

• To raise arguments against; voice opposition to. (verb-transitive)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Now there would be a simple way to controvert this point, at least to the extent of showing that the argument that constitutional free expression guarantees were applicable to civil suits was accepted only by some and not by others: Provide some evidence of cases or commentators saying that civil liability was, by virtue of being civil liability, beyond the scope of constitutional protections."
• "The only way that societies can fight the Jihadist menace succesfully is by proposing their own ideological or religious answers that controvert Jihadism on its own ground."
• "Instead, he thinks, we should boldly controvert that premise."