Akademik

enigma
n.
1 a puzzling thing or person.
2 a riddle or paradox.
Derivatives:
enigmatic adj. enigmatical adj. enigmatically adv. enigmatize v.tr. (also -ise).
Etymology: L aenigma f. Gk ainigma -matos f. ainissomai speak allusively f. ainos fable

Useful english dictionary. 2012.