ad. 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.
ad. 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.
the GNU version of the Collaborative International Dictionary of English
ad. In a possible manner; by possible means; especially, by extreme, remote, or improbable intervention, change, or exercise of power; by a chance; perhaps.
The Century Dictionary and Cyclopedia
In a possible manner; by any power, moral or physical, really existing; by possibility.
Perhaps; perchance.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
ad. by chance
ad. to a degree possible of achievement or by possible means
Word Usage
""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.""