All 4 Uses

intrigue
in
Change of Heart, by Picoult
(Auto-generated)

It was that word Saints that had intrigued her; she didn't know it was a fancy word for Mormon.†
*
It was hard to tell who had the more intriguing backstory—Reverend Justus with his drive-in church, or Fletcher—who'd been a television atheist until he'd run across a little girl who could apparently perform miracles and raise the dead.†
Religion is intriguing, but in a historical sense.†
Most of these stories were benign—a strange coincidence, an intriguing twist.†

Definitions:

(1) (intrigue as in: she was intrigued)
cause to be interested, curious, or fascinated
(2) (intrigue as in: involved in intrigue)
a secret scheme or plot
(3) (meaning too rare to warrant focus)
In classic literature, intrigue may specifically reference a secret love affair.