The Collaborative International Dictionary of English v.0.48:
Enigmatically \E`nig*mat"ic*al*ly\, adv. Darkly; obscurely. [1913 Webster]WordNet (r) 3.0 (2006):
enigmatically adv 1: in a cryptic manner; "we will meet again," he said cryptically [syn: cryptically, enigmatically, mysteriously]