1) Affected innocence 2) Affected modesty 3) Affectedness 4) Artful innocence 5) Demureness 6) Feigned timidity 7) Flirtatious quality 8) Modesty 9) Playfully shy quality 10) Shy quality 1) Bashfulness 
• (n.) The quality of being coy; feigned o/ bashful unwillingness to become familiar; reserve.
Coy'ness noun The quality of being coy; feigned or bashful unwillingness to become familiar; reserve. « When the kind nymph would coyness feign, And hides but to be found again. Dryden. » Syn. -- Reserve; shrinking; shyness; backwardness; modesty; bashfulness.
[n] - the affectation of being demure in a provocative way
noun the affectation of being demure in a provocative way