potentially

from WordNet (r) 3.0 (2006)

potentially
    adv 1: with a possibility of becoming actual; "he is potentially
           dangerous"; "potentially useful"

from The Collaborative International Dictionary of English v.0.48

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