Synonyms of the word

intriguing

• adj. Causing a desire to know more; mysterious.
• adj. (archaic) Having clandestine or illicit intercourse.
• v. present participle of intrigue.
• n. (dated) An intrigue.

challenging

• v. present participle of challenge.
• adj. Difficult, hard to do.
• n. The act of making a challenge.

interesting

• adj. Arousing or holding the attention or interest of someone.
• v. present participle of interest.

provocative

• adj. Serving or tending to elicit a strong, often negative sentiment in another person; exasperating.
• adj. Serving or tending to excite, stimulate or arouse sexual interest.
• n. (now historical) Something that provokes an appetite, especially a sexual appetite; an aphrodisiac.