(n.) The quality or state of being inquisitive; the disposition to seek explanation and information; curiosity to learn what is unknown; esp., uncontrolled and impertinent curiosity.

abnormality amazement anomaly ardor astonishing thing astonishment bauble bric-a-brac cathexis concern concernment concupiscence conversation piece curio desideration desire drive eagerness enthusiasm exception fancy fantasy freak gazingstock gewgaw hope horme improbability inquisitiveness intellectual curiosity interest interestedness interference intrusiveness libido lust for learning marvel marvelment matter of interest meddlesomeness mind miracle monstrosity museum piece need nonesuch nosiness objet d'art oddity passion phenomenon pleasure pleasure principle prodigiosity prodigy prying questioning quite a thing rarity regard sensation sexual desire sight snooping something else special interest spectacle strange thing stunner thirst for knowledge trinket urge want wanting will will and pleasure wish wish fulfillment wonder wonderful thing wonderment