underpin

[uhn-der-pin]
verb (used with object), underpinned, underpinning.
1.
to prop up or support from below; strengthen, as by reinforcing a foundation.
2.
to replace or strengthen the foundation of (a building or the like).
3.
to furnish a foundation for; corroborate: The author's conclusions are underpinned by references to experimental findings.

Origin:
1515–25; under- + pin

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To underpin
Collins
World English Dictionary
underpin (ˌʌndəˈpɪn)
 
vb , -pins, -pinning, -pinned
1.  to support from beneath, esp by a prop, while avoiding damaging or weakening the superstructure: to underpin a wall
2.  to give corroboration, strength, or support to

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
Example sentences
They provide access to new ideas and technologies that underpin national
  innovation.
The skills they possess underpin the technological advances that drive
  improvements in productivity and living standards.
More deeply, the ideas that underpin monarchism would appear to enjoy scant
  support.
Once scorned as nervous tics, certain tiny, unconscious flicks of the eyes now
  turn out to underpin much of our ability to see.
Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature