interesting, fascinating, tantalizing, exciting, perplexing, puzzling, unsettling, enthralling, enticing, captivating, engrossing, compelling, odder, surprising, riveting, alluring, revelatory, amusing, curious, entertaining, instructive, noteworthy, disquieting, offbeat, baffling, enigmatic, startling, disconcerting, beguiling, strange, troubling, illuminating, appetizing, enlightening, bizarre, unusual, entrancing, peculiar, exhilarating, plausible, poignant, thrilling, memorable, unnerving, evocative, impressive, mystifying, delightful, tempting, irresistible, refreshing, notable, inventive, comical, problematical, quirky, discomforting, ingenious, disturbing, ominous, imaginative, vexing, improbable, suspenseful, eventful, fanciful, mouthwatering, surreal, oddball, mesmerizing, electrifying, enchanting, salient, frightening, artful, titillating, weird, implausible, spellbinding, maddening, fantastical, unpromising, wondrous, atypical, sensational, uninteresting, invigorating, enjoyable, edifying, unsurprising, jarring, scintillating, dispiriting, piquant, exasperating, attractive, problematic, dazzling, endearing, paradoxical, cryptic, bewildering, counterintuitive, appealing, researched, revealing, confusing, suggestive, worrisome, embryological, provocative

challenging, interesting, provocative