PERHAPS
possibly, perchance, perhaps, maybe, mayhap, peradventure
(adverb) 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”
Source: WordNet® 3.1
Etymology
Adverb
perhaps (not comparable)
Modifies a verb, indicating a lack of certainty.
(rare) By chance.
Synonyms
• belike
• maybe
• mayhap
• mayhaps
• peradventure
• perchance
Noun
perhaps (plural perhapses)
An uncertainty.
Source: Wiktionary
Per*haps", adv. Etym: [Per + hap chance.]
Definition: By chance; peradventure; perchance; it may be.
And pray God, if perhaps the thought of thine heart may be forgiven
thee. Acts viii. 22.
Source: Webster’s Unabridged Dictionary 1913 Edition