Voluntarily.
Proceeding from the will: done of or due to one's own accord or free choice; unconstrained by external interference, force, or influence; not compelled, prompted, or suggested by another; spontaneous; of one's or its own accord; free.
Subject to or controlled by the will; regulated by the will: as, the movement, of a limb is voluntary, the action of the heart involuntary.
Done by design or intention; intentional; purposed; not accidental.
Endowed with the power of willing, or acting of one's own free will or choice, or according to one's judgment.
Of, pertaining, or relating to voluntaryism, or the doctrines of the voluntaries: as, the voluntary theory or controversy.
In law: Proceeding from the free and unconstrained will of the person: as, a voluntary confession.
Not supported by a substantial pecuniary or valuable consideration. See voluntary conveyance, below
An affidavit offered spontaneously or made freely, without the compulsion of subpoena or other process.
noun.
One who engages in any affair of his own choice or free will; a volunteer.
noun.
Specifically Eccles., in Great. Britain, one who maintains the doctrine of the mutual independence of the church and the state, and holds that the church should be supported by the voluntary contributions of its members and should be left entirely free to regulate its affairs.
noun.
Any work or performance not imposed by another.
noun.
In church music, an organ prelude to a service; sometimes, by extension, an interlude or postlude; also, an anthem or other piece of choir-music, especially at the opening of a service.