Perchance (8)
'perchance' is the definition.
(thesaurus)
This is all the clue.
(Another definition for haply that I've seen is " Maybe once".)
'perchance' is the definition.
(I know that perchance can be written as possibly)
This is all the clue.
(Other definitions for possibly that I've seen before include "Maybe" , "Perhaps" .)