Antonyms for the phrase "kicked up a fuss" include terms such as "acceptance," "compliance," "conformity," "consent," and "agreement." These words all suggest a more passive and accommodating response to a situation or request, as opposed to the potentially confrontational or oppositional act of "kicking up a fuss." Other antonyms might include "calmness," "tranquility," "peace," or "serenity," all of which reflect a state of being that is free from agitation or disturbance. Using these antonyms can help convey a more positive or agreeable tone in communication, emphasizing harmony and cooperation rather than conflict or resistance.