authentic
Cheerfully unauthentic, the Scottish-themed pub is all Robbie Burns' poetry, kilts, and bagpipes.
Respondents felt that they were obliged to behave in ways that felt unauthentic in order to be accepted.
Many people believe that his behaviour shows genuine commitment and is not simply unauthentic deception.

SMART Vocabulary: related words and phrases

Faking & pretending
affect
air guitar
assume
believe
bluff someone into something/doing something
changeling
cry
faker
false
false modesty
falsifiable
falsify
out-bluff
pass something off as something
phoney
phony-baloney
play-act
professed
purport
quack