echt
genuine
trustworthy
trusty
Christian
aboveboard
absolute
accepted
accurate
actual
adducible
admissible
approved
attestative
attestive
authoritative
avant-garde
based on
bona fide
candid
canonical
card-carrying
cathedral
certain
circumstantial
cognizable
conclusive
conventional
convincing
correct
creative
credible
cumulative
customary
damning
de facto
decisive
dependable
determinative
dinkum
documentary
documented
evangelical
evidential
evidentiary
ex cathedra
ex parte
eye-witness
factual
fair and square
faithful
final
contemporary
dramatic
historical
truthful
valuable
Denike
Hellenic
anthropogenic
bennick
calisthenic
carcinogenic
eugenic
hallucinogenic
orogenic
pathogenic
photogenic
psychogenic
schizophrenic
splenic
telegenic
transgenic
unauthentic