provocative Definition

1. Tending or intended to cause anger; deliberately infuriating.

Thesaurus: confrontational, challenging, incensing, offensive, goading, aggravating; Antonym: pacificatory, tactful.
2. Said of a debate, argument, etc: controversial, but often stimulating.
3. Sexually arousing or stimulating, especially by design.

Thesaurus: stimulating, suggestive, sexy, seductive, arousing, tantalizing, tempting, erotic, exciting, alluring, inviting.