muster in

Enlist in military service. For example, They were mustered in at Fort Dix. The antonym is muster out, meaning "to leave or be discharged from military service," as in He was mustered out and given a dishonorable discharge. [First half of 1800s]

muster in

1. To enlist someone in military service. Used chiefly in the passive: Once the men were mustered in, they got their heads shaved.

2. To enlist in military service: In the US, you can't officially muster in until you're 18 years old.

Common Names:

Name	Pronounced	Usage
Mercy	MUR-see	English
Ctibor	-	Czech
Somporn	-	Thai
Jonquil	JAHN-kwil	English (Rare)
Kamil (1)	-	Arabic
Augusto	ow-GOOS-to (Spanish)	Spanish, Italian, Portuguese