This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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n. Voluntary service based on an individuals' desire to serve a cause.

n. The act or enlisting, or the state of being enlisted; voluntary enrollment to serve as a soldier or a sailor.

n. The writing by which an enlisted man is bound.

n. The act of enlisting, or the state of being enlisted; the levying of soldiers or sailors by voluntary enrolment.

n. The writing by which a soldier (other than one who has entered the military service under a commission as an officer) is bound.

n. a period of time spent in military service

n. the act of enlisting (as in a military service)

"An enlistment is a contract in a very formal sense."

time period    period of time    period   

enlist   

expatriation    impressment    arbitration    expropriation    liquidation    conscription    sterilization    registration    enrollment    apprenticeship