imitation

counterfeit, fake, forgery, knockoff, phony (also phoney), rip-off, rubber stamp, sham

miniature, mock-up, simulation

reconstruction, re-creation

image, likeness, semblance, shadow

impression, imprint, print

approximation, reincarnation, version

extra, reserve, spare

cultured, manufactured, process

unauthentic

adulterated, designer, doctored, engineered, fudged, juggled, manipulated, tampered (with)

concocted, fabricated

counterfeit, deceptive, forged, fraudulent, misleading, phony (also phoney)

affected, feigned, pinchbeck, pseudo, spurious