Definition of "possibly" []

• Indicates that the proposition may be true (is not certainly false) regardless of any facts or circumstances known to, stated by or implied by the speaker. (adverb)
• Indicates that the action may successfully be performed (is not impossible) regardless of any facts or circumstances known to, stated by or implied by the speaker that might limit the performance. (adverb)

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• ""I talked it over as a supposititious case with Howe the other day, and he said that if Blair would agree, possibly -- mind you, only _possibly_; -- a divorce could be arranged.""
• "Could it possibly, * possibly* be that a genuinely fiscally conservative approach might bet better than what we've dealt with the past 16 years?"
• "“Hooray” can be dated back to 1686 and possibly comes from the German word “hurra,” thebattle-cry of Prussian soldiers during the War of Liberation (1812-13)."