by chance; "perhaps she will call tomorrow"; "we may
possibly run into them at the concert"; "it may peradventure be thought that there never was such a time" Synonym(s):possibly, perchance, perhaps, maybe, mayhap, peradventure
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Mayhap \May"hap\, adv.
Perhaps; peradventure. [Prov. or Dialectic]