emphatical

adjective
em·​phat·​i·​cal | \ |ə̇kəl, |ēk-\

archaic variant of

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