decidedly
adverb/dɨ.si.di.dɐ.ˈmẽ.tɨ/medium
de·ci·di·da·men·te
Definition
In a decisive and firm manner; undoubtedly.
She nodded decidedly, indicating her agreement.
The weather has turned decidedly colder.
Common collocations
decidedly sodecidedly better
Etymology
De 'decidido' (particípio de 'decidir') + sufixo adverbial '-mente'.