WordNet sense 1 (being or reflecting the essential or genuine character of something):

actual, literal, real, real, real

WordNet sense 2 (consistent with fact or reality; not false):

true

WordNet sense 3 (not pretended; sincerely felt or expressed):

unfeigned

WordNet sense 4 (open and genuine; not deceitful):

sincere

WordNet sense 5 (not forged):

good

WordNet sense 6 (not counterfeit or copied):

authentic, bona fide, veritable

WordNet sense 7 (not fake or counterfeit):

echt