'Potentially' definitions:

Definition of 'potentially'

From: WordNet
adverb
With a possibility of becoming actual; "he is potentially dangerous"; "potentially useful"

Definition of 'Potentially'

From: GCIDE
  • Potentially \Po*ten"tial*ly\, adv.
  • 1. With power; potently. [Obs.] [1913 Webster]
  • 2. In a potential manner; possibly, not positively. [1913 Webster]
  • The duration of human souls is only potentially infinite. --Bentley. [1913 Webster]