Emphatically

According to Merriam-Webster.com Definition of EMPHATIC 1 : uttered with or marked by emphasis <an emphatic refusal> 2 : tending to express oneself in forceful speech or to take decisive action 3 : attracting special attention 4 : constituting or belonging to a set of tense forms in English consisting of the auxiliary do followed by an infinitive without to that are used to facilitate rhetorical inversion or to emphasize something Adverb for emphatic