perhaps
adverb
[ pəˈhaps ]
• used to express uncertainty or possibility.
• "perhaps I should have been frank with him"
Similar:
maybe,
for all I know,
for all you know,
it could be (that),
it may be (that),
it is possible (that),
possibly,
conceivably,
feasibly,
happen,
peradventure,
perchance,
mayhap,
haply,
percase,
Origin:
late 15th century: from per + hap1.
