まことに

まことに 【誠に 】〖本当に 〗really, truly ; 〖非常に 〗very ; very much ; greatly ; 〖心から 〗heartily ; sincerely, ｟書 ｠ truly ; from (the bottom of ) one's heart . （本当に ⇨① ）▸ 彼はまことに有能な男だ He is really [truly ] an able man .▸ ご面倒をおかけしてまことに申し訳ありません I'm very [really , ｟話 ｠ terribly , ｟話 ｠ awfully ] sorry to have troubled you .▸ ご親切まことにありがとう存じます I'd like to thank you very much [heartily ] for your kindness .I'm very [truly ] grateful to you for your kindness .