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 (sŭs′tən-tā′shən, -tĕn-)
1. Sustenance or maintenance, as with money.
2. Something that sustains; a support.

[Middle English, from Old French, from Latin sustentātiō, sustentātiōn-, from sustentātus, past participle of sustentāre, to support; see sustentacular.]

sus′ten·ta′tive (-tā′tĭv) adj.
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.


1. (Physiology) physiol relating to sustentation
2. sustaining
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
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31402098), Young Talents Training Program of Shandong Academy of Agricultural Science, MATS-Beef Cattle System, the Sustentative Research Project of China Ministry of Science and Technology under Grant No.
"You're seeing some small step-by-step improvements and efficiencies but you're really not seeing some of the major sustentative changes that some of the critics of the process have been calling for," he said in an interview.