まとめてin one go, all at once, altogether, all in one piece

短編集(たんぺんしゅう)をまとめて一(いっ)冊(さつ)の本(ほん)にしました。

I compiled the short stories altogether into one book. {in one go, all at once, altogether, all in one piece}

クラスのアイディアをまとめて一(ひと)つにする。

Gather all the ideas from the class and consolidate them into one, all at once. {in one go, all at once, altogether, all in one piece}

社員(しゃいん)：「早(はや)く商談(しょうだん)をまとめて今日(きょう)は早(はや)く家(いえ)に帰(かえ)るぞ！」

Employee: "Let's wrap up the negotiations quickly so we can all go home early today!" {in one go, all at once, altogether, all in one piece}

紛争(ふんそう)をまとめて世界(せかい)を平和(へいわ)にした彼女(かのじょ)はヒーローとされている。

She, who brought peace to the world by resolving conflicts all at once, is regarded as a hero. {in one go, all at once, altogether, all in one piece}

一(いち)年(ねん)分(ぶん)まとめて税金(ぜいきん)を払(はら)ったとあって、急(きゅう)に貯金(ちょきん)残高(ざんだか)が減(へ)ったのです。

Having paid a year's worth of taxes all at once, my savings balance suddenly decreased. {in one go, all at once, altogether, all in one piece}