enlistment
n. C1 Advanced US //ɛnˈɫɪstmənt// UK //ɛnlˈɪstmənt// en·list·ment
n. the act of joining the military or a group to serve for a specific period of time. It can also mean the process of getting someone to help you with a task.
n. the act of joining a military force or a group for a fixed period of service. In a broader sense, it refers to the recruitment or mobilisation of resources for a specific purpose.
He completed his military enlistment last summer.
The government is seeking to increase the number of volunteers for the national emergency response through a new enlistment campaign.
The rapid enlistment of local volunteers allowed the community to rebuild the flood-damaged infrastructure within months, demonstrating the power of collective action during a crisis.
From enlist + -ment.