Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
audaciously is an adverb meaning "in an audacious manner". It carries one recorded sense.
in an audacious manner
“an idea so daring and yet so audaciously tempting that a shiver of excitement quivered through him”
Definitions, synonyms and semantic relations for audaciously come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.