audacious
bold or daring
Roots
- -acious: trait-marking adjective ending
- aud / audere: dare or be bold
Other words with the aud / audere root
- audaciously: in a bold or daring way
- audacity: bold or daring confidence
aud carries daring. Audacious behavior steps forward when caution would step back.
It was audacious to challenge the old policy in front of the entire board.