Synonyms and related words :
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