boldly
confidently
have one's tail up
dashingly
surely
fiducially
courageously
superconfident
daredevil
puckishly
impishly
opulently
empowered
garang
assertive
make book
obovately
convincingly
bet a dollar to a doughnut
freckly
ultraconfident
jauntily
audaciously
daring
self-confidently
lionheartedly
masterfully
daringly
high-spirited
too big for one's britches
surefooted
shoot first and ask questions later
temerarious
ardently
convictively
daredevilism
presumingly
like a boss
hyperconfident
jaunty
temerariously
bold as brass
superbold
undaunted
intrepid
flatly
asseverate
overboldly
felicitously
volitionally
with all one's heart
spiritedly
willingly
avowable
personably
assertively
unfeignedly
venturesomely
stolidly
from the bottom of one's heart
crousely
sincerely
roundly
bad
securely
truly
even-mindedly
obeisantly
overweening
vincibly
pudically
proudfully
bravely
bronze
roseately
feel up to
style it out
tendentiously
lion-hearted
stanchly
undisguisedly
superconfidence
pushiness
venturesome
procacious
determinedly
self-assuredly
staunchly
tendermindedly
rely on
flauntily