Synonyms for Bodacious (same or very similar meaning)
WordNet sense 1 (not diminished or moderated in intensity or severity; sometimes used as an intensifier):
unmitigated
WordNet sense 2 (unrestrained by convention or propriety):
audacious, barefaced, brassy, brazen, insolent, brazen-faced, bald-faced
WordNet sense 3 (used of persons or their behavior; feeling no shame):
unashamed
From the ODE community, based on WordNet
add/edit