Synonyms for Premeditatively:

• adv.

  •deliberately (adverb)
  • independently,
  • wittingly,
  • resolutely,
  • willfully,
  • determinedly,
  • studiously,
  • advisedly,
  • pointedly,
  • voluntarily,
  • freely,
  • emphatically,
  • on purpose,
  • without qualms,
  • meaningfully,
  • with malice aforethought,
  • knowingly,
  • by design,
  • Prepensely,
  • consciously,
  • calculatingly,
  • designed,
  • with a view to,
  • in cold blood,
  • with eyes wide open,
  • purposively,
  • purposely,
  • after consideration,
  • apurpose,
  • to that end.
  •on purpose (adverb)
  • intentionally,
  • premeditatedly,
  • purposefully,
  • of one's own free will,
  • with full intent.

• Other synonyms:

  •adv
  • deliberately.

Antonyms for Premeditatively:

• adv.

  • deliberately
    indetermindedly, unintentionally, unwittingly.