Words to Describe corroboration

How corroboration often is described ("________ corroboration")

• dramatic
• such
• useful
• remarkable
• scientific
• partial
• necessary
• adequate
• incidental
• substantial
• official
• definite
• clear
• empirical
• much
• apparent
• archaeological
• careful
• experimental
• abundant
• strong
• fresh
• additional
• contemporary
• outside
• important
• excellent
• enough
• sufficient
• precise
• circumstantial
• objective
• voluminous
• striking
• factual
• historical
• full
• interesting
• conclusive
• further
• stronger
• mutual
• direct
• mere
• visual
• impressive
• unexpected
• strongest
• indirect
• welcome
• clinical
• positive
• observational
• insufficient
• slight
• detailed
• valuable
• singular
• multiplicative
• statistical
• possible
• ample
• structural
• powerful
• curious
• independent
• textual
• complete
• convincing
• satisfactory
• documentary
• final
• extensive
• external