1. (v. t.) Proceeding from the will; produced in or by an act of choice.

2. (v. t.) Unconstrained by the interference of another; unimpelled by the influence of another; not prompted or persuaded by another; done of his or its own accord; spontaneous; acting of one's self, or of itself; free.

3. (v. t.) Done by design or intention; intentional; purposed; intended; not accidental; as, if a man kills another by lopping a tree, it is not voluntary manslaughter.

4. (v. t.) of or pertaining to the will; subject to, or regulated by, the will; as, the voluntary motions of an animal, such as the movements of the leg or arm (in distinction from involuntary motions, such as the movements of the heart); the voluntary muscle fibers, which are the agents in voluntary motion.

5. (v. t.) Endowed with the power of willing; as, man is a voluntary agent.

6. (v. t.) Free; without compulsion; according to the will, consent, or agreement, of a party; without consideration; gratuitous; without valuable consideration.

7. (v. t.) of or pertaining to voluntarism; as, a voluntary church, in distinction from an established or state church.

8. (n.) One who engages in any affair of his own free will; a volunteer.

9. (n.) A piece played by a musician, often extemporarily, according to his fancy; specifically, an organ solo played before, during, or after divine service.

10. (n.) One who advocates voluntarism.

Vorspiel advised aimed aimed at alternative arbitrary autonomous avant-propos breakthrough calculated chosen conative concert overture conscious considered contemplated curtain raiser deliberate deliberated descant designed discretional discretionary disjunctive dramatic overture elected elective envisaged envisioned exordium foreword free free will front matter frontispiece gratuitous independent innovation intended intentional introduction knowing leap meant meditated nonmandatory of design offered operatic overture optional overture planned postulate preamble preface prefix prefixture preliminary prelude premeditated premise presupposition proem proffered projected prolegomena prolegomenon prolepsis prologue proposed protasis purposed purposeful purposive self-acting self-active self-determined self-determining spontaneous studied teleological unasked unbesought unbidden uncalled-for uncoerced uncompelled unconstrained unforced uninfluenced uninvited unpressured unprompted unrequested unrequired unsolicited unsought vamp verse volitional volunteer willful willing witting