AUDACITY
audacity, audaciousness
(noun) aggressive boldness or unmitigated effrontery; “he had the audacity to question my decision”
audacity, audaciousness, temerity
(noun) fearless daring
Source: WordNet® 3.1
Etymology
Noun
audacity (countable and uncountable, plural audacities)
Insolent boldness, especially when imprudent or unconventional.
Fearlessness, intrepidity or daring, especially with confident disregard for personal safety, conventional thought, or other restrictions.
Synonyms
• (insolent boldness): audaciousness, outdaciousness, temerity
Source: Wiktionary
Au*dac"i*ty, n.
1. Daring spirit, resolution, or confidence; venturesomeness.
The freedom and audacity necessary in the commerce of men. Tatler.
2. Reckless daring; presumptuous impudence; -- implying a contempt of
law or moral restraints.
With the most arrogant audacity. Joye.
Source: Webster’s Unabridged Dictionary 1913 Edition