(a.) Tending to suspend, or to keep in suspense; causing interruption or delay; uncertain; doubtful.

agitating amazing astonishing astounding charged cliff-hanging confounding disquieting distracting disturbing electric exciting exhilarating eye-opening galvanic heady heart-expanding heart-stirring heart-swelling heart-thrilling impressive inflammatory intoxicating jarring jolting maddening mind-blowing mind-boggling moving overcoming overmastering overpowering overwhelming perturbing piquant provocative provoking ravishing soul-stirring spectacular spirit-stirring staggering startling stimulating stimulative stirring striking stunning surprising suspenseful suspensive tantalizing telling thrilling thrilly troubling unsettling upsetting