adverb
Used adverbially to indicate that everyone or everything in a group is involved, often in expressions like 国を挙げて (the whole nation) or 家族を挙げて (the whole family).
国を挙げて祝賀ムードに包まれた。
The whole country was wrapped in a celebratory mood.
家族を挙げて彼の帰りを待っていた。
The entire family was waiting for his return.