ADJECTIVE (2)

1. serving or tending to provoke, excite, or stimulate; stimulating discussion or exciting controversy;
- Example: "a provocative remark"
- Example: "a provocative smile"
- Example: "provocative Irish tunes which...compel the hearers to dance"- Anthony Trollope

2. exciting sexual desire;
- Example: "her gestures and postures became more wanton and provocative"

The Collaborative International Dictionary of English v.0.48:

Provocative \Pro*vo"ca*tive\, a. [L. provocativus: cf. OF.
   provocatif.]
   Serving or tending to provoke, excite, or stimulate;
   exciting.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Provocative \Pro*vo"ca*tive\, n.
   Anything that is provocative; a stimulant; as, a provocative
   of appetite.
   [1913 Webster]

WordNet (r) 3.0 (2006):

provocative
    adj 1: serving or tending to provoke, excite, or stimulate;
           stimulating discussion or exciting controversy; "a
           provocative remark"; "a provocative smile"; "provocative
           Irish tunes which...compel the hearers to dance"- Anthony
           Trollope [ant: unprovocative, unprovoking]
    2: exciting sexual desire; "her gestures and postures became
       more wanton and provocative"

Moby Thesaurus II by Grady Ward, 1.0:

165 Moby Thesaurus words for "provocative":
   acceptable, adorable, aggravating, aggravative, agitating,
   agreeable, alluring, annoying, appealing, appetizing, arousing,
   attractive, beguiling, bewitching, blandishing, breathtaking,
   cajoling, captivating, catching, challenging, charged, charismatic,
   charming, cliff-hanging, coaxing, come-hither, contentious,
   coquettish, desirable, disquieting, distracting, distressing,
   disturbing, electric, enchanting, encouraging, energizing,
   engaging, enravishing, enthralling, enticing, entrancing, enviable,
   erotic, exasperating, exasperative, exciting, exhilarating, exotic,
   fascinating, fetching, flirtatious, galling, galvanic, galvanizing,
   glamorous, goad, harassing, heady, heart-expanding, heart-stirring,
   heart-swelling, heart-thrilling, humiliating, hypnotic, impetus,
   impressive, impulse, incensing, incentive, incitation, incitement,
   inflammatory, infuriating, interesting, intoxicating, intriguing,
   inviting, irksome, irresistible, irritating, jarring, jolting,
   juicy, likable, lively, lovable, maddening, mesmeric, mind-blowing,
   mortifying, motivation, mouth-watering, moving, nettlesome,
   offensive, outrageous, overcoming, overmastering, overpowering,
   overwhelming, perturbing, piquant, plaguing, pleasing,
   prepossessing, prompting, provoking, provoquant, push, racy,
   ravishing, readable, rich, rousing, seducing, seductive, sensual,
   sensuous, sexy, siren, sirenic, soul-stirring, spellbinding,
   spellful, spicy, spirit-stirring, spur, stimulant, stimulating,
   stimulative, stinging, stirring, striking, succulent, suggestive,
   suspenseful, suspensive, taking, tantalizing, teasing, telling,
   tempting, thought-challenging, thought-inspiring,
   thought-provoking, thrilling, thrilly, tickling, titillating,
   titillative, to be desired, toothsome, troubling, unobjectionable,
   unsettling, upsetting, vexatious, vexing, voluptuous, winning,
   winsome, witching, worth having, wounding