* Confidence: If the qualm is about doubt or uncertainty, confidence is the opposite.
* Assurance: This word suggests a strong belief or certainty in something, contrasting with a qualm of doubt.
* Peace of mind: A qualm can cause anxiety, so peace of mind would be the opposite.
* Composure: A qualm can make someone feel uneasy, so composure would be the opposite.
* Enthusiasm: If the qualm is about reluctance or hesitation, enthusiasm would be the opposite.
Examples:
* "He had no qualms about asking for a raise, as he was confident in his performance."
* "She had no qualms about speaking in front of a large audience, as she had a great deal of assurance."
* "His qualms about the trip were calmed by the peace of mind he felt knowing his family was safe."
* "He maintained his composure despite the qualms he felt about the presentation."
* "Her qualms about the new project were quickly replaced with enthusiasm once she learned more about it."
It's important to consider the specific context of the word "qualm" to determine the most appropriate antonym.