From The Collaborative International Dictionary of English v.0.44 [gcide]:
From WordNet (r) 2.0 [wn]:
From Moby Thesaurus II by Grady Ward, 1.0 [moby-thes]:
33 Moby Thesaurus words for "voluntarily": 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
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