adjective
consisting of or proceeding from an exercise of free will
the law requires that a confession be voluntary
Synonyms: deliberate, intentional, unforced, unprescribed, willful, willing, witting
Related Word: chosen, elected, opted, volitional; autonomous, free, independent
Contrasted words: coerced, compelled, forced; unintentional, unplanned, unwilling, unwitting
Antonyms: involuntary