say it: di-SAHY-siv-lee
decisively is an adverb meaning "with firmness". It carries 3 recorded senses.
in an indisputable degree
“the Fisher Act of 1918 decisively raised their status and pay”
Definitions, synonyms and semantic relations for decisively come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.