poseur (n.)
- ape
- bluff
- bluffer
- charlatan
- conformist
- copier
- copycat
- copyist
- counterfeiter
- cuckoo
- dissembler
- dissimulator
- echo
- exhibitionist
- fake
- faker
- forger
- fraud
- humbug
- hypocrite
- imitator
- impersonator
- impostor
- malingerer
- masquerader
- mime
- mimer
- mimic
- mimicker
- mocker
- mockingbird
- monkey
- mountebank
- parrot
- phony
- plagiarist
- poser
- posturer
- pretender
- quack
- ringer
- sham
- shammer
- sheep
- show-off
- simulator