[sur-kuh m-stan-shee-eyt]

verb (used with object), cir·cum·stan·ti·at·ed, cir·cum·stan·ti·at·ing.

to set forth or support with circumstances or particulars: Documents circumstantiated her evidence.
to describe fully or minutely: He circumstantiated the accident.

Origin of circumstantiate

1640–50; < Latin circumstanti(a) circumstance + -ate1
Related formscir·cum·stan·ti·a·tion, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for circumstantiate



(tr) to support by giving particulars
Derived Formscircumstantiation, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for circumstantiate

1650s, from Latin circumstantia "surrounding condition" (see circumstance) + -ate (2). Related: Circumstantiated; circumstantiating; circumstantiation.

Online Etymology Dictionary, © 2010 Douglas Harper