Synonyms for Decidedly:

• adv.

  •certainly (adverb)
  • absolutely,
  • by all means,
  • clearly,
  • decisively,
  • determinedly,
  • distinctly,
  • downright,
  • emphatically,
  • in spades,
  • of course,
  • positively,
  • really,
  • strongly,
  • sure,
  • surely,
  • terribly,
  • unequivocally,
  • unmistakably,
  • for a fact.
  •energetically (adverb)
  • vigorously.
  •extremely (adverb)
  • very.
  •highly (adverb)
  • extraordinarily,
  • highly.
  •resolutely (adverb)
  • boldly,
  • courageously,
  • dauntlessly,
  • decisively,
  • deliberately,
  • determinedly,
  • devotedly,
  • diligently,
  • doggedly,
  • faithfully,
  • fearlessly,
  • heartily,
  • indefatigably,
  • intently,
  • loyally,
  • persistently,
  • pluckily,
  • relentlessly,
  • resolutely,
  • staunchly,
  • steadily,
  • stubbornly,
  • tenaciously,
  • tirelessly,
  • toughly,
  • truly,
  • valiantly,
  • indomitably.

• adv

  •absolutely (adverb)
  • categorically,
  • decisively,
  • unambiguously.
  •certainly (adverb)
  • definitely.
  •energetically (adverb)
  • vigorously.
  •powerfully (adverb)
  • strongly.
  •resolutely (adverb)
  • boldly,
  • courageously,
  • dauntlessly,
  • decisively,
  • deliberately,
  • determinedly,
  • devotedly,
  • diligently,
  • doggedly,
  • faithfully,
  • fearlessly,
  • heartily,
  • indefatigably,
  • intently,
  • loyally,
  • persistently,
  • pluckily,
  • relentlessly,
  • resolutely,
  • staunchly,
  • steadily,
  • stubbornly,
  • tenaciously,
  • tirelessly,
  • toughly,
  • truly,
  • valiantly,
  • indomitably.
  •strongly (adverb)
  • staunchly,
  • indomitably.
  •vigorously (adverb)
  • fearlessly,
  • purposefully,
  • wholeheartedly.
  •without doubt (adverb)
  • surely.

• n.

  •
  • authentic,
  • certain,
  • definite,
  • factual,
  • firm,
  • firmly,
  • objective,
  • realistic,
  • strongly,
  • true,
  • undeniable,
  • vigorously.
  •
  • confident,
  • convinced,
  • positive,
  • satisfied,
  • sure,
  • unfalteringly,
  • unquestioning.
  •decidedly (noun)
  • by all odds,
  • definitely,
  • emphatically,
  • in spades,
  • unquestionably.
  •surely (noun)
  • certainly,
  • surely.

• Other synonyms:

  •
  • positively,
  • surely.
  •undoubtedly
  • clearly.
  •Other relevant words:
  • absolutely,
  • actually,
  • altogether,
  • assertively,
  • assuredly,
  • at any rate,
  • authentic,
  • awfully,
  • beyond doubt,
  • by all means,
  • by all odds,
  • by far,
  • categorically,
  • certain,
  • certainly,
  • clearly,
  • conclusively,
  • confident,
  • considerably,
  • convinced,
  • dead,
  • definite,
  • definitely,
  • degree,
  • demonstrably,
  • distinctly,
  • doubtless,
  • downright,
  • earnestly,
  • easily,
  • emphatically,
  • entirely,
  • essentially,
  • evidently,
  • exactly,
  • exceedingly,
  • exceptionally,
  • extraordinarily,
  • extremely,
  • fabulously,
  • factual,
  • far,
  • far and away,
  • finally,
  • firm,
  • firmly,
  • fixedly,
  • flatly,
  • for certain,
  • for good,
  • for sure,
  • forsooth,
  • frightfully,
  • fundamentally,
  • genuinely,
  • haltingly,
  • heart and soul,
  • highly,
  • immeasurably,
  • in earnest,
  • in spades,
  • in the main,
  • in truth,
  • incomparably,
  • incredibly,
  • indeed,
  • indubitably,
  • inflexibly,
  • manifestly,
  • markedly,
  • measurably,
  • mightily,
  • most,
  • much,
  • no doubt,
  • noticeably,
  • objective,
  • observably,
  • obstinately,
  • obviously,
  • of course,
  • once,
  • outrageously,
  • patently,
  • perfectly,
  • perseveringly,
  • plainly,
  • positive,
  • positively,
  • precisely,
  • predicatively,
  • purely,
  • purposefully,
  • quite,
  • radically,
  • realistic,
  • really,
  • satisfied,
  • sensibly,
  • seriously,
  • sincerely,
  • steadfastly,
  • strongly,
  • substantially,
  • sure,
  • surely,
  • terribly,
  • thoroughly,
  • to be sure,
  • tooth and nail,
  • true,
  • truth,
  • unambiguously,
  • unbelievably,
  • unconditionally,
  • undeniable,
  • undeniably,
  • undoubtedly,
  • unequivocally,
  • unfalteringly,
  • unimpeachably,
  • unmistakably,
  • unqualifiedly,
  • unquestionably,
  • unquestioning,
  • unreservedly,
  • unswervingly,
  • utterly,
  • verily,
  • very,
  • vigorously,
  • visibly,
  • well,
  • wholeheartedly,
  • without doubt,
  • Affirmatively,
  • Declaratively,
  • Determinately,
  • Monumentally,
  • Resolvedly,
  • Rulingly,
  • Concludingly,
  • Consideringly,
  • unyieldingly,
  • hammer and tongs,
  • Rootedly,
  • with a will,
  • at all events,
  • in all conscience,
  • without question,
  • without a doubt,
  • most assuredly,
  • with constancy,
  • nothing else but,
  • unexceptionally,
  • conciliatingly,
  • for a fact,
  • for real,
  • in all seriousness,
  • bec et ongles.