collateral
,
confirmative
,
confirming
,
confirmatory
,
corroborative
,
corroboratory
,
substantiating
,
substantiative
,
validating
,
validatory
,
verificatory
,
verifying
=
serving to support or corroborate
collateral damage
=
(euphemism) inadvertent casualties and destruction inflicted on civilians in the course of military operations
