Synonyms: enlist
Definition: join the military
Similar words: sign up
Definition: join a club, an activity, etc. with the intention to join or participate, "Sign up for yoga classes"
Synonyms: draft, enlist, muster in
Definition: engage somebody to enter the army
Similar words: enrol, enroll, enter, inscribe, recruit
Definition: register formally as a participant or member
Usage: The party recruited many new members
Definition: hire for work or assistance
Usage: engage aid, help, services, or support
Similar words: secure, procure
Definition: get by special effort
Usage: He procured extra cigarettes even though they were rationed