'Questionably' definitions:

Definition of 'questionably'

From: WordNet
adverb
In a questionable and dubious manner; "these were estates his father questionably acquired" [syn: questionably, dubiously]

Definition of 'Questionably'

From: GCIDE
  • Questionably \Ques"tion*a*bly\, adv. In a questionable manner. [1913 Webster]