2. [syn: corroborate, underpin, bear out, support]
The Collaborative International Dictionary of English v.0.48:
Underpin \Un`der*pin"\, v. t. [imp. & p. p. Underpinned; p.
pr. & vb. n. Underpinning.]
1. To lay stones, masonry, etc., under, as the sills of a
building, on which it is to rest.
2. To support by some solid foundation; to place something
underneath for support.
WordNet (r) 3.0 (2006):
v 1: support from beneath
2: support with evidence or authority or make more certain or
confirm; "The stories and claims were born out by the
evidence" [syn: corroborate, underpin, bear out,