Voluntarily

(adv.) In a voluntary manner; of one's own will; spontaneously.

Thesaurus Entries

advisedly, by choice, by design, calculatedly, consciously, contemplatedly, deliberately, designedly, electively, freely, gratis, gratuitously, in cold blood, independently, intentionally, knowingly, meditatedly, on purpose, optionally, pointedly, premeditatedly, purposefully, purposely, purposively, spontaneously, willfully, willingly, with full intent, with intent, with malice aforethought, with purpose, without coercion, wittingly