Decidedly

Adverb

 * 1) In a decided or final manner; resolutely.
 * He replied "No." firmly and decidedly, ending the debate.
 * 1) In a manner which leaves little question; clearly; obviously.
 * In a decidedly petulant manner she sat with crossed arms and a frown.

Thesaurus
absolutely, actually, affirmatively, and no mistake, assertively, assuredly, at all events, at any rate, bec et ongles, by all means, certainly, clearly, committedly, decisively, declaratively, definitely, demonstrably, determinedly, devotedly, distinctly, earnestly, emphatically, firmly, fixedly, for a certainty, for a fact, for certain, for real, for sure, forsooth, hammer and tongs, heart and soul, in all conscience, in all seriousness, in earnest, in good earnest, in truth, indeed, indeedy, indubitably, inflexibly, like a bulldog, like a leech, manifestly, most assuredly, most certainly, nothing else but, noticeably, observably, obstinately, obviously, of course, patently, perseveringly, persistently, positively, predicatively, purposefully, quite, really, relentlessly, resolutely, resolvedly, sensibly, seriously, sincerely, singlemindedly, staunchly, steadfastly, steadily, surely, tenaciously, to a certainty, tooth and nail, truly, unambiguously, undeniably, under oath, unequivocally, unmistakably, unswervingly, unyieldingly, verily, visibly, wholeheartedly, with a will, with constancy, with emphasis, with total dedication, without doubt

Translations

 * Russian: решительно


 * Spanish: