mayhap, possibly, accidentally, unexpectedly, by chance, circumstantially, certain, haply, perhaps, maybe, peradventure, by luck.
possibly (part of speech: adverb)
You can send some of its messages afar for a few cents, and perchance
thus help it to reach a soul ready and waiting that will otherwise be lost.
- "Heart Talks", Charles Wesley Naylor.
the gods have, indeed, been good to her, and sent her a special messenger on this yellow night.
- "Rossmoyne", Unknown.
And this I may say, that had it pleased Providence to give me dealing with such men of the King's side as he, perchance
my fortunes had been altered.
- "Richard Carvel, Complete", Winston Churchill Last Updated: March 5, 2009.