Insinuative? Or an Open Invitation?
Insinuative (Adjective) To instill or infuse subtly or artfully, as into the mind. Open Invitation (Noun) A request, available at any time, to participate or be present or take part in something.
Insinuative (Adjective) To instill or infuse subtly or artfully, as into the mind. 
Both! My erection just tore through my suit pants. Good god, she is unbelievable.