Stronger/More Negative Connotations:
* Brazenness: This implies a bold and shameless disregard for social norms or consequences.
* Impudence: This suggests a disrespectful or insolent lack of deference.
* Presumption: This conveys an overconfident or arrogant belief in one's own importance or right to act.
* Effrontery: This is a more formal and often stronger term than audacity, implying extreme boldness and disrespect.
Neutral/More Positive Connotations:
* Boldness: This emphasizes courage and daring, without necessarily implying negative qualities.
* Daring: This suggests a willingness to take risks and defy conventional wisdom.
* Courage: This focuses on the mental strength needed to face danger or opposition.
* Confidence: This highlights a belief in one's own abilities and judgment.
Other options:
* Spunk: This implies a lively and spirited independence.
* Grit: This suggests determination and resilience in the face of adversity.
* Moxie: This is a colloquial term for energy, spirit, and self-confidence.
Ultimately, the best synonym will depend on the specific situation and the effect you want to achieve.