Noun
The quality of being secretive; disposition or tendency to conceal.
The faculty or propensity which impels to reserve, secrecy, or concealment.
Source: Webster's dictionaryBut much of the power of their message came from their secretiveness and emphasis on individual experience, and these aspects proved to be weak points that would be exploited by their opponents. Source: Internet
Regrettably, the novel relies on a coincidence to resolve its conflicts of secretiveness and identity. Source: Internet