authentic Antonyms

phony fake substitute speculative spiky spurious stilted substitutive storybook studied substituent specious shady snide sham shammer shifty simpering simulated simulation simulator sly smuggling sneaky superficial supposed suppositional transcendent transcendental transcribed transcription treacherous tricker unapproved unearned unearthly unfaithful titular thespian supposititious suppositive surmisable synecdoche synthetic tentative theatric theatrical theoretic theoretical unfounded