necessary

necessary is an Adverb

Definition:

[1] Such as must be; impossible to be otherwise; not to be avoided; inevitable. Death, a necessary end, Will come when it will come. Shak.

[2] Impossible to be otherwise, or to be dispensed with, without preventing the attainment of a desired result; indispensable; requiste; essential. "`T is necessary he should die." Shak. A certain kind of temper is necessary to the pleasure and quiet of our minds. Tillotson.

[3] Acting from necessity or compulsion; involuntary; -- opposed to free; as, whether man is a necessary or a free agent is a question much discussed.