The carrying out or accomplishment of a plan or task; executing something to completion (a somewhat formal term).
彼は任務を無事に遂行したと報告された。
It was reported that he had successfully carried out the mission.
プロジェクトを遂行するためにチームを編成した。
We organized a team to carry out the project.
計画の遂行には十分な資金と人手が必要だ。
Sufficient funds and personnel are necessary for the execution of the plan.