(adj.) A period of intellectual eroticism, something found attractive because of it's intelligent nature.
(n.) A person or concept found attractive (sexually or otherwise), because of it's intellectual nature
"I just returned from the cafe having had the most intriguing conversation with the most sensualectual young lady. I believe she and I shall be out and about for a night of Dvorak, Dostoyesky, and a Cheesecake Compote."