noun. Illegitimacy; the state of being bastard, or not of legitimate birth: as, spuriousness of issue.

noun. The state or quality of being spurious, counterfeit, false, or not genuine: as, the spuriousness of drugs, of coin, or of writings.

noun. The property of being spurious.

noun. state of lacking genuineness

"The first person to detect his spuriousness was a little child playing in the arched gateway of one of the walled buildings."

falseness  falsity  

brown-grey  calumniation  canonicalization  canonicity  civism