To take or claim for oneself without right; appropriate: Presidents who have arrogated the power of Congress to declare war. See Synonyms at appropriate.
To ascribe on behalf of another in an unwarranted manner.
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.