1. the act of joining the military or armed forces
2. the period of time for which someone serves in the military
3. the act of securing someone’s help or support for a cause

Examples

• His enlistment in the Navy began after high school graduation.
• The recruiter explained the benefits of military enlistment.
• Her four-year enlistment will end next spring.
• The enlistment process requires a physical examination.
• They celebrated the successful enlistment of new volunteers.
• His enlistment of community support helped the project succeed.
• The minimum age for enlistment is eighteen years old.