cumulative (adj.)
- absolute
- accumulated
- accumulative
- additional
- additive
- admissible
- advancing
- authentic
- certain
- chain
- circumstantial
- conclusive
- convincing
- damning
- decisive
- determinative
- documentary
- documented
- evidential
- evidentiary
- factual
- final
- firsthand
- hearsay
- heightening
- implicit
- incontrovertible
- increasing
- indicative
- indisputable
- intensifying
- irrefutable
- irresistible
- material
- overall
- overwhelming
- presumptive
- probative
- reliable
- significant
- suggestive
- summational
- summative
- sure
- symptomatic
- telling
- total
- valid
- weighty