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1. Relating to or determining the outcome of a case or decision.
2. Relating to or involving the distribution of property, as through a trust or will.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
with a disposing quality
obsolete a thing that disposes, such as a legal document
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
dis•pos•i•tive(dɪˈspɒz ɪ tɪv)
involving or affecting disposition or settlement.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.