Perhaps

наречие может быть, возможно, наверно Например: "Will you come?" - "Perhaps." — "Ты придёшь?" - "Может быть". Синоним(ы): possibly, maybe

Большой англо-русский словарь

Perhaps

I. adverb Etymology: per + hap possibly but not certainly; maybe II. noun something open to doubt or conjecture

Энциклопедический словарь Мерриама-Вебстера